trench /ˈtrɛnʧ/
 渠,渠溝,戰壕(vt.)蠶食,挖,侵犯,挖戰壕于(vi.)挖戰壕,接近,侵犯


 Trench, n.
 1. A long, narrow cut in the earth; a ditch; as, a trench for draining land.
 2. An alley; a narrow path or walk cut through woods, shrubbery, or the like. [Obs.]
    In a trench, forth in the park, goeth she.   --Chaucer.
 3. Fort. An excavation made during a siege, for the purpose of covering the troops as they advance toward the besieged place. The term includes the parallels and the approaches.
 To open the trenches Mil., to begin to dig or to form the lines of approach.
 Trench cavalier Fort., an elevation constructed (by a besieger) of gabions, fascines, earth, and the like, about half way up the glacis, in order to discover and enfilade the covered way.
 Trench plow, or Trench plough, a kind of plow for opening land to a greater depth than that of common furrows.

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 Trench v. t. [imp. & p. p. Trenched p. pr. & vb. n. Trenching.]
 1. To cut; to form or shape by cutting; to make by incision, hewing, or the like.
 The wide wound that the boar had trenched
 In his soft flank.   --Shak.
 This weak impress of love is as a figure
 Trenched in ice, which with an hour's heat
 Dissolves to water, and doth lose its form.   --Shak.
 2. Fort. To fortify by cutting a ditch, and raising a rampart or breastwork with the earth thrown out of the ditch; to intrench.
    No more shall trenching war channel her fields.   --Shak.
 3. To cut furrows or ditches in; as, to trench land for the purpose of draining it.
 4. To dig or cultivate very deeply, usually by digging parallel contiguous trenches in succession, filling each from the next; as, to trench a garden for certain crops.


 Trench, v. i.
 1. To encroach; to intrench.
    Does it not seem as if for a creature to challenge to itself a boundless attribute, were to trench upon the prerogative of the divine nature?   --I. Taylor.
 2. To have direction; to aim or tend. [R.]
 To trench at, to make trenches against; to approach by trenches, as a town in besieging it. [Obs.]
 Like powerful armies, trenching at a town
 By slow and silent, but resistless, sap.   --Young.


 trench
      n 1: a ditch dug as a fortification having a parapet of the
           excavated earth
      2: a long steep-sided depression in the ocean floor [syn: deep,
          oceanic abyss]
      3: any long ditch cut in the ground
      v 1: impinge or infringe upon; "This impinges on my rights as an
           individual"; "This matter entrenches on other domains"
           [syn: impinge, encroach, entrench]
      2: fortify by surrounding with trenches; "He trenched his
         military camp"
      3: cut or carve deeply into; "letters trenched into the stone"
      4: set, plant, or bury in a trench; "trench the fallen
         soldiers"; "trench the vegetables"
      5: cut a trench in, as for drainage; "ditch the land to drain
         it"; "trench the fields" [syn: ditch]
      6: dig a trench or trenches; "The National Guardsmen were sent
         out to trench"