Defn: A beginning or first attempt; hence, a first appearance before the public, as of an actor or public speaker.
DEBUTANT; DEBUTANTE De`bu`tant", n.; fem. De`bu`tante" (. Etym: [F., p. pr. of débuter to have the first throw, to make one's début. See Début.]
Defn: A person who makes his (or her) first appearance before the public.
DECA-
Dec"a-. Etym: [Cf. Ten.]
Defn: A prefix, from Gr. de`ka, signifying ten; specifically (Metric System), a prefix signifying the weight or measure that is ten times the principal unit.
DECACERATA De*cac`e*ra"ta, n. pl. Etym: [NL., fr. Gr. de`ka ten + ke`ras a horn.] (Zoöl.)
Defn: The division of Cephalopoda which includes the squids, cuttlefishes, and others having ten arms or tentacles; — called also Decapoda. [Written also Decacera.] See Dibranchiata.
DECACHORD; DECACHORDON Dec"a*chord, Dec`a*chor"don, n. Etym: [Gr. deka`chordos tenstringed; de`ka ten + chordj` a string.]
1. An ancient Greek musical instrument of ten strings, resembling the harp.
2. Something consisting of ten parts. W. Watson.