名詞 coulter:

1. a sharp steel wedge that precedes the plow and cuts vertically through the soil
   同義詞：colter

coul.ter

n.（名詞）
A blade or wheel attached to the beam of a plow that makes vertical cuts in the soil in advance of the plowshare.
犁刀：附在犁轅上的刀或圓輪，用來縱切犁的鏵頭前的土地

來源：
Middle English culter
中古英語 culter
from Old English culter
源自 古英語 culter
Old French coltre
古法語 coltre
both from Latin culter [knife, plowshare] * see skel-
都源自 拉丁語 culter [刀，犁頭] *參見 skel-