Dictionary
sub'ject com"plement
Gram.
a word or a group of words, usually functioning as an adjective or noun, that is used in the predicate following a copula and describes or is identified with the subject of the sentence, as
sleepy in
The travelers became sleepy. Also called
subjective complement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.