A group of members of a political party or of a similar organisation who have decided to create their own organisation.

A collection of humans or animals who share certain characteristics, interact with one another, accept expectations and obligations as members of the group, and share a common identity.

Any member of the order Carcharhiniformes, the largest order of sharks with over 270 species. / A Greenland shark, Somniosus microcephalus.

An algebraist who specializes in group theory

The spined loach (Cobitis taenia), weather loach ( Misgurnus fossilis), or other member of the loaches. / The ringed plover, Charadrius hiaticula.

plural of group theorist

(archaic) The number 1728 (12 × 12 × 12).

(historical) Thirteen dozens: 156.

(historical) Seventy-two.

(historical) One hundred and twenty (120), 12 × 10.