Entry 1 sense Webster, 1913 Kalasie · Ka·la·sie · IPA 01 n. A long-tailed monkey of Borneo (Semnopithecus rubicundus). It has a tuft of long hair on the head. 1. A long-tailed monkey of Borneo (Semnopithecus rubicundus). It has a tuft of long hair on the head.(Zool.)