in prosody, a foot consisting of three long syllables and one short. Of these, grammarians reckon four kinds: the first consisting of an iambus and spondee, as filiūtantes; the second, of a trocheus and spondee, as concitati; the third of a spondee and an iambus, as communicāns; and the fourth, of a spondee and trocheus, as incantārē. See the articles SPONDEUS, TROCHEUS, &c.