Lu·cy (lōō'sē) n. The skeletal remains of a female hominid, Australopithecus afarensis, found in Tanzania in 1974 and dated at about 3 million years old. Lucy is the most complete australopithecine skeleton yet discovered, being about 40 percent intact.
Lucylanguage A distributedconstraint programming language, which is an actor subset of Janus. ["Actors as a Special Case of Concurrent Constraint Programming", K. Kahn et al, SIGPLAN Notices 25(10):57-66 (OOPSLA/ ECOOP '90), Oct 1990]. (2001-03-04)