| 释义 | 
		trench I. \ˈtrench\ noun (-es) Usage: often attributive Etymology: Middle English trenche track cut through a wood, from Middle French, act of cutting, cut, from trenchier to cut 1.   a.  : a long narrow cut in the ground : ditch, fosse   < dig a trench for sewer pipe >  b.  : a long narrow excavation used for military defense and often having the excavated dirt mounded up in front of it as an earthwork — compare approach trench, bunker, dugout, fire trench, parallel 1c, slit trench  c. obsolete  : a protective earthwork   < resolved that the ditches … should be deepened, and the trenches heightened — Fynes Moryson > 2.  : something that resembles a trench: as  a. archaic  : furrow, groove   < these trenches made by grief and care — Shakespeare >  b.  : firing line 2   < in the cultural struggle … schools are the frontline trenches — Paul Blanshard > 3.   a.  : a narrow steep-sided depression eroded by a stream : canyon, gully  b.  : a long straight comparatively narrow intermontane depression often occupied by parts of two or more drainage systems : trough  c.  : a long narrow steep-sided depression in an ocean floor : ocean deep — compare canyon II. verb (-ed/-ing/-es) Etymology: in sense 1, from Middle French trenchier to cut, cut across, trench, probably modification of Latin truncare to cut off; in other senses, partly from Middle English trenche, n. and partly from Middle French trenchier — more at truncate transitive verb 1.   a.  : to make a cut in : carve, incise   < inscriptions … trenched in one of the stones — John Webb >   < surface trenching at numerous points on the … outcrop — W.H.A.Lawrence >  b. obsolete  : to make a gash in : slash   < the wide wound, that the boar had trenched in his soft flank — Shakespeare > 2.   a.    (1)  : to dig a protective trench in    < trench a hill >   (2)  : to protect with or as if with a trench    < trench an outpost >  b.  : to turn over (soil) two or more times the depth of a spade  c.    (1)  : to cut a drainage trench in : ditch    < trench land to drain it >   (2)  : to drain by trenches  d.  : to bury in or confine by means of a trench   < trenching logs to prevent rolling — Glossary of Terms Used in Forest Fire Control >   < stopping more than 3000 small fires and trenching in nearly 100 big ones — W.B.Greeley >  e.  : entrench 2 intransitive verb 1.   a. obsolete  : to approach a military objective by a series of trenches   < like powerful armies trenching at a town — Edward Young >  b. archaic  : to extend out : stretch   < the land trenched away west for fifteen hundred miles — Daniel Defoe > 2.   a.  : entrench 2   < trenching on other domains which were more vital — Sir Winston Churchill >  b.  : to come close : verge   < catches himself … trenching upon presumption — T.V.Smith > 3.  : to dig a trench  < trench around the spot right down to the clay — Sydney (Australia) Bulletin > |