| 释义 |
lap
I. \ˈlap\ noun
(-s)
Etymology: Middle English lappe, from Old English læppa; akin to Old Frisian lappa flap, Old Saxon lappo lappet, Old High German lappa flap, lappet, Old Norse leppr rag, Latin labi to glide, slide — more at sleep
1.
a. : a loose panel or free-hanging flap especially of a garment — called also lappet
b. archaic : the skirt of a coat or dress
< with the lap of my coat cast over my face — Sir Walter Scott >
c. : the front edges of a jacket or coat that come together in a double layer when closed
2.
a. obsolete : a loose or pendent bodily organ (as a lobe of the liver or the lungs)
b. : a pendent protrusion of the body — usually used in combination
< earlap >
< dewlap >
3.
a.
(1) : the clothing that lies on the knees, thighs, and lower part of the trunk when one sits down
(2) : the front part of the lower trunk and thighs of a seated person
< sit on grandpa's lap >
b. : an environment of nurture
< reared in the lap of luxury >
c. : a concave surface resembling that of a lap
< a green lake sparkling in the lap of a pine-clad mountain — C.B.Davis >
4. obsolete
a. : a fold of a garment used as a repository; specifically : a chest fold (as of a toga) used as a pocket
b. : bosom
< brought back again into the lap of the Romish Church — Edward Bowles >
5. : responsible custody : charge, control
< going to drop the whole thing in your lap — Hamilton Basso >
< the outcome of this experiment is in the lap of the gods >
< the gold of Asia Minor was poured into the lap of the pre-Hellenes — Edward Clodd >
II. verb
(lapped ; lapped ; lapping ; laps)
Etymology: Middle English lappen, from lappe, n.
transitive verb
1.
a.
(1) : to fold over or around something : wind
< lap a bandage around the wrist >
(2) : to enclose in a cover or binding : wrap
< lap the wrist in a bandage >
b. : to envelop entirely : surround, swathe
< life flowed smoothly on lapping him in a changeless amber vacuum — A.J.Shirren >
< no pains had been spared … to lap them in tasteful and simple luxury — Lucius Beebe >
2. : to fold over especially into layers: as
a. : to convert (cotton, wool, flax, or other fiber) into a lap
b.
(1) : to fold (paper pulp) into a lap
(2) : to fold (paper) for packaging by laying one set of sheets halfway along another set and rolling each overlapping end over each overlapped end
3. : to hold protectively in or as if in the lap : cuddle, nestle
< legs that were intended to 107 lap her children — A.R.Foff >
< hills … fruitful valleys lapped in them — Thomas Carlyle >
4.
a. : to place over or next to so as to partially or wholly cover : overlap
< lap shingles in laying a roof >
b. : to unite (as beams or timbers) so as to preserve the same breadth and depth throughout — compare scarf IV 1
5.
a. : to dimension, smooth, or polish (as a metal surface or body) to a high degree of refinement or accuracy with a lap or loose abrasive material
< lapping is an abrading process for refining the surface finish and geometrical accuracy of flat, cylindrical, and spherical surfaces — K.B.Lewis >
< bearing surfaces are ground, lapped, and honed to a precision mirror finish — Joseph Heitner >
b. : to work two surfaces together with or without abrasives until a very close fit is produced — often used with in
< the valve is hand lapped in its seat with very light pressure and just for long enough to be sure valve is perfectly tight in its seat — H.F.Blanchard & Ralph Ritchen >
6.
a. : to lead (an opponent) by one or more circuits of a racecourse
< the champion lapped him at the mile >
b. : to complete the circuit of
< lapped the course in 3 minutes 8 seconds — New York Herald Tribune >
intransitive verb
1. : fold, wind
< crowds … lapped around the corner — Time >
2.
a. : to project beyond or spread over
< long enough to lap 1″ over the toepiece — American Girl >
< rancherias lapped a few miles over the eastern bank of the Sacramento — Julian Dana >
b. : to lie partly over or alongside of something or of one another
< formation flying so tight that the wings lap >
< the edges of the coat lap deeply >
c. : to use newly received funds to cover up a previous shortage : kite
3. : to traverse a course
< the experimental racer lapped at unprecedented speed >
III. noun
(-s)
Usage: often attributive
1.
a. : the amount by which one object overlaps or projects beyond another: as
(1) : the distance one course of shingle or slate roofing extends over the second one below
(2) : the part that overlaps to form a seam or joint (as the beveled ends joining sections of an endless belt)
(3) : the distance that a steam-engine slide valve in its middle position has to move to begin to open the steam or exhaust port
(4) : the distance one steel plate overlaps another (as in the shell plating of a ship) — compare lapstrake
b. : the part of an object that overlaps another
< the front lap of a winter coat should be at least six inches wide >
2. : a smoothing and polishing tool commonly in the form of a piece of wood, leather, felt, or soft metal used with or without an embedded abrasive
3. : a doubling or layering of a flexible substance: as
a. : a fleecy sheet or layer of combed fibers (as of cotton, wool, or flax) usually wrapped on a cylinder and ready to be spun
b. : a sheet of wet paper pulp from a wet machine folded into convenient size for handling and shipping
c. : a surface defect in steel or glass caused by the folding over on itself of a part of the molten material and the failure of the surfaces to unite
d. : a defect in veneering resulting from misplacement of the sheets of veneer so that one overlaps the other rather than forming a smooth butt joint
4.
a. : one circuit around a racecourse
b. : one round of play (as in a game of mancala)
c. : one segment of a larger unit (as a journey or time cycle)
< the next thousand-mile lap of our journey — Wendell Willkie >
< it was the last lap of term — Mavis Gallant >
< the last lap of a long all-day operation — John Muggeridge >
d. : one complete turn (as of a rope around a drum)
5. : points won in excess of the number necessary to win a card game and applied to the score of the next game
IV. verb
(lapped ; lapped ; lapping ; laps)
Etymology: Middle English lapen, lappen, from Old English lapian; akin to Old High German laffan to lick, Icelandic lepja to lap, Latin lambere to lick, Greek laphyssein to devour, gulp down, Armenian lap'el to lick
intransitive verb
1. : to scoop up food or drink with the tip of the tongue
< uncover, dogs, and lap — Shakespeare >
2.
a. : to make a gentle intermittent splashing sound
< waves lapped at their feet — Laura Krey >
< the lapping of the quiet water — Mary Webb >
b. : to move in little waves : wash
< when the last wavelet of some old receding ocean lapped over them — C.E.W.Bean >
< a changing crowd lapped up against the front of the garage — Scott Fitzgerald >
transitive verb
1. : to scoop up (food or drink) with the tongue
< held her kitten to lap milk — Anne D. Sedgwick >
— often used with up
2. : to flow or splash against in little waves
< the foundations of the city's buildings have been lapped by tides for centuries and many have been badly eroded — Arnaldo Cortesi >
V. noun
(-s)
Etymology: Middle English lappe taste, from lapen, lappen, v.
1.
a. : an act of lapping
< the cat took a lap or two at the saucer >
b. : as much as can be carried to the mouth by one scoop of the tongue : lick, taste
< saw a pink tongue shoot out … and have a lap of her soup — Newsweek >
2.
a. : a thin or weak beverage or food
< hounds should be fed … some light broth or lap in the morning — F.M.Ware >
b. obsolete : liquor
3. : a gentle splashing sound
< the hollow lap of the sea at the foot of the cliff — G.G.Carter >
VI.
now chiefly dialect
past of leap
VII. noun
(plural lap or laps)
Etymology: alteration of lop
: a treetop left in the woods after logging : lop I |