groop

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.

• grupe, groap, grube

groop (plural groops)

1. (obsolete or UK dialectal, Northern England, Scotland) A trench or small ditch.
2. (obsolete or UK dialectal, Northern England, Scotland) A trench or drain; particularly, a trench or hollow behind the stalls of cows or horses for receiving their dung and urine.
   • 1816, James Cleland, Annals of Glasgow‎^[1], Digitized edition, published 2007, page 373:

     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, …

   • 2008, Dennis O'Driscoll, Seamus Heaney, Stepping stones:

     Cleaning the byre involved barrowing out the contents of the groop, sluicing it down and rebedding it with clean straw.

3. (obsolete or UK dialectal, Northern England, Scotland) A pen for cattle; a byre.

groop (third-person singular simple present groops, present participle grooping, simple past and past participle grooped)

1. (obsolete) To make a channel or groove; to form grooves.

Alteration of group. More at group.

groop (plural groops)

1. Obsolete form of group.
   • 1828, William Taylor, Historic Survey of German Poetry‎^[2], Digitized edition (Treuttel and Würtz, Treuttel Jun. and Richter), published 2007, page 179:

     Revival of Fine Literature — Swiss groop of Poets ...

   • 1834, Charles Augustus Davis, Letters of J. Downing, Major‎^[3], Harper & Brothers, page 158:

     … and laid his Hickory and hat down afore him, and all our folks began to nock noses in little groops here and there;

   • 1985, Thomas Beth, Dieter Jungnickel, Hanfried Lenz, Design Theory‎^[4], Digitized edition (Mathematics), Bibliographisches Institut, published 2010, →ISBN, page 560:

     Delete one point x and consider as new groops the point sets B\{x} where B is any block of D containing x.

   • 2004, Dept. of Combinatorics and Optimization, Ars Combinatoria, Volumes 72-73‎^[5] (Mathematics), University of Waterloo, page 90:

     A groop divisible design on v points with groop size g and block size k is called a t-GD[k,g,;v] if every subset of t distinct points that contains no two points from the same groop is contained in exactly one block.

groop (third-person singular simple present groops, present participle grooping, simple past and past participle grooped)

1. Obsolete form of group.
   • 1829, The Battle of Navarino: Or the Renegade‎^[6], Digitized edition, published 2010, page 40:

     Grooped around the fires on which they were preparing their provisions, …

• Noah Webster (1828) “groop”, in An American Dictionary of the English Language: […], volume I (A–I), New York, N.Y.: […] S. Converse; printed by Hezekiah Howe […], →OCLC.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “groop”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.