group

Meanings

1. 1
   noun

   any number of entities considered as a unit

   I put all of the red apples together into a group.

2. 2
   verb

   arrange into a group or groups

   Can you group these shapes together?

3. 3
   noun

   A number of things or persons being in some relation to one another.

   Then everybody once more knelt, and soon the blessing was pronounced. The choir and the clergy trooped out slowly, […], down the nave to the western door. […] At a seemingly immense distance the surpliced group stopped to say the last prayer.

4. 4
   noun

   A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.

   Throughout this section, we shall assume the existence of finitely presented groups with unsolvable word problem.

5. 5
   noun

   A (usually small) group of people who perform music together.

   Did you see the new jazz group?

6. 6
   noun

   A functional group.

   Nitro is an electron-withdrawing group.

7. 7
   noun

   A set of teams playing each other in the same division, while not during the same period playing any teams that belong to other sets in the division.

   It is the third of eight matches that Spain will play in Group I, but the coach Vicente del Bosque has described it as being more akin to the first leg of a cup semi-final.

8. 8
   noun

   Group therapy.

   Aside from occasional moments of belligerence, he was a pretty affable guy. I rather liked him and, I guess, wanted him to like me. But his affability also included the odd "faggot" joke, which left me dubious over talking with him about being gay, even in "group."

Etymology

Etymology tree Proto-Indo-European *grewbʰ-der. Proto-Germanic *kruppazder. Frankish *kruppbor. Vulgar Latin *cruppus Italian gruppobor. French groupebor. ▲ Italian gruppobor. English group From French groupe (“cluster, group”), from Italian gruppo, groppo (“a knot, heap, group, bag (of money)”). In the "group theory" sense, calqued from French groupe, a term coined by the young French mathematician Évariste Galois in 1830. Cognate with German Kropf (“crop, craw, bunch”); Old English cropp, croppa (“cluster, bunch, sprout, flower, berry, ear of corn, crop”) (whence English crop); Dutch krop (“…