| 释义 |
bound
I. \ˈbau̇nd\ adjective
Etymology: alteration of boun, from Middle English, from Old Norse būinn, past participle of būa to live, dwell, make ready — more at bower
1. archaic : prepared, ready, dressed
2. : intending to go : on the way toward : going — used with to or for or with an adverb of motion
< a ship bound for Gibraltar >
< homeward bound >
II. noun
(-s)
Etymology: Middle English bounde, bunne, from Old French bodne, bonne, borne, from Medieval Latin bodina
1.
a. : the external or limiting line of an object, space, or area
< the bounds of a forest reserve >
< set bounds on a property >
— usually used in plural
b. : something that limits or restrains : limit
< beyond the bounds of reason >
< set a lower bound to a temperature range >
specifically : limits beyond which military personnel are forbidden to go
< out of bounds >
2. usually plural
a. : borderland
b. : the land within certain bounds : domain
< woodland bounds — William Wordsworth >
3. : a number greater than or equal to every number in a set (as the values of a function over an interval); also : a number less than or equal to every number in a set
III. verb
(-ed/-ing/-s)
Etymology: Middle English bounden, from bounde
transitive verb
1. : to set limits or bounds to : establish the bounds of : confine within limits
< fields bounded by tall hedges >
< art … is always greater than the rules with which we may attempt to bound it — C.S.Kilby >
2. : to form the limits of or lie along the borders of
< the sea bounds it on three sides >
: circumscribe, enclose
< the stream that bounds this land >
3. : to name the boundaries of
< the class was asked to bound their country >
intransitive verb
archaic : to form a common boundary — often used with with
IV. adjective
Etymology: Middle English bounden, from past participle of binden to bind — more at bind
1.
a. : fastened by or as if by a band : confined
< desk-bound >
b. : compelled or constrained especially by logical necessity : certain, sure — used postpositively
< such a plan is bound to fail >
< we are bound to have a frost soon >
2. : under legal or moral restraint or obligation : obliged — usually used postpositively
< bound to pay his wife's debts >
< bound by sacred vows >
< honor-bound >
< duty-bound >
specifically : apprenticed
< a bound girl >
3. : constipated, costive — used postpositively
4. of a book
a. : secured to its covers by cords or tapes
< a bound volume >
b. : cased in
5.
a. : resolved
< bound and determined to have his way >
b. : assured — often used as if spoken under oath
< you're a … first-rate seaman, I'll be bound — W.S.Gilbert >
6. : held in chemical or physical combination : combined
< some vitamins occur in bound forms >
— opposed to free
7. of a linguistic form : always occurring in combination with another linguistic form (as splend- in splendor and splendid, un- in unknown, -s in hats, -er in speaker)
< a bound form >
< a bound allomorph >
— opposed to free
V. transitive verb
South & Midland : bet, wager — used chiefly in assertions and affirmations
< I bound you he'll like it >
VI. noun
(-s)
Etymology: Middle French bond, from bondir
1. : a leap or spring usually made easily and lightly
< cleared the hedge at a bound >
: one of a continuous series of such springs
2. : bounce, rebound
3. : one of a series of relatively short movements by a military unit or by elements of it alternately from one preselected point on the ground to the next
Synonyms: see jump
VII. intransitive verb
(-ed/-ing/-s)
Etymology: Middle French bondir to leap, bound, resound, from (assumed) Vulgar Latin bombitire to hum, irregular from Latin bombus deep hollow sound — more at bomb
1. : to move with a spring or leap or with a succession of springs or leaps
2. : rebound
< an elastic ball bounds >
: bounce
Synonyms: see jump |