Definitionen
1.NounA number of things or persons being in some relation to one another."there is a group of houses behind the hill; he left town to join a Communist group; A group of people is/are gathering in front of the Parliament to demonstrate against the Prime Minister's proposals."
2.NounA set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.
3.NounAn effective divisor on a curve.
4.NounA (usually small) group of people who perform music together."Did you see the new jazz group?"
5.NounA small number (up to about fifty) of galaxies that are near each other.
6.NounA column in the periodic table of chemical elements.
7.NounA functional group."Nitro is an electron-withdrawing group."
8.NounA subset of a culture or of a society.
9.NounAn air force formation.
10.NounA collection of formations or rock strata.
11.NounA number of users with the same rights with respect to accession, modification, and execution of files, computers and peripherals.
12.NounAn element of an espresso machine from which hot water pours into the portafilter.
13.NounA number of eighth, sixteenth, etc., notes joined at the stems; sometimes rather indefinitely applied to any ornament made up of a few short notes.
14.NounA 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.
15.NounA commercial organization.
16.NounGroup therapy.
17.VerbTo put together to form a group."group the dogs by hair colour"
18.VerbTo come together to form a group.
19.VerbTo eliminate in the group stage of a competition.