abatis

n. 鹿砦, 有刺铁丝网

ab.a.tis

n.（名词）
pl. ab.a.tis[-tôz.] 或 ab.a.tis.es [-t-sz]
A defensive obstacle made by laying felled trees on top of each other with branches, sometimes sharpened, facing the enemy.
鹿砦，鹿角栅，铁丝网：用伐倒的树木排成的防御障碍，带枝杈的树端相互迭放面向敌人，有时也将枝杈削尖

来源：
French [pile of things thrown down]
French [pile of things thrown down]
from Old French abateis ; akin to abattre [to throw down] * see abate
from Old French abateis ；类似于 abattre [to throw down] *参见 abate