资料来源 : pyDict

城墙与外濠间之狭路

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Berm \Berm\ Berme \Berme\, n. [F. berme, of German origin; cf.
   G. brame, br["a]me, border, akin to E. brim.]
   1. (Fort.) A narrow shelf or path between the bottom of a
      parapet and the ditch.

   2. (Engineering) A ledge at the bottom of a bank or cutting,
      to catch earth that may roll down the slope, or to
      strengthen the bank.