comp(n = noun.communication) comprehensive, comprehensive examination - an intensive examination testing a student's proficiency in some special field of knowledge; "she took her comps in English literature"
is a kind of exam, examination, test

comp, n. & v. colloq.
--n.
1 a competition.
2 Printing a compositor.
3 Mus. an accompaniment.
--v.
1 Mus. a tr. accompany. b intr. play an accompaniment.
2 Printing a intr. work as a compositor. b tr. work as a compositor on.

Etymology:
abbr.