group
A number of things or persons being in some relation to one another.
Other meanings
A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.
An effective divisor on a curve.
Example sentences
Word history
From Italian "gruppo".
Where this comes from
This definition is adapted from “group” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.