n.
Pronunciation: ' k ō l-t ə r
Function: noun
Etymology: Middle English colter, from Old English culter & Old French coltre, both from Latin culter plowshare; akin to Greek skallein to hoe ― more at SHELL
Date: before 12th century
: a cutting tool (as a knife or sharp disc) that is attached to the beam of a plow, makes a vertical cut in the surface, and permits clean separation and effective covering of the soil and materials being turned under