groop

Etymology

From Middle English grope, grupe, groupe, from Old English grōp (“ditch”), from Proto-West Germanic *grōpu, from Proto-Germanic *grōpō (“furrow, ditch, trench”), from Proto-Indo-European *gʰreb-, *gʰrebʰ- (“to dig, furrow, scratch”). Cognate with Scots gruip (“gutter, drain, ditch, trench”), North Frisian groop (“pit”), Dutch groep (“a trench, moat”), Swedish grop (“a pit, ditch, hole, hollow”), Old English grēp, grēpe (“land-drain, ditch; furrow; burrow; privy”). More at grip, groove.

groop means A trench or small ditch. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

A trench or small ditch.
A trench or drain; particularly, a trench or hollow behind the stalls of cows or horses for receiving their dung and urine.“The groop is one foot six inches wide, six and one-half inches deep at one end … to carry off the urine into a reservoir under the Cowhouse, …”
A pen for cattle; a byre.

verb

To make a channel or groove; to form grooves.