DECACUMINATED
Dec`a*cu"mi*na`ted, a. Etym: [L. decacuminare to cut off the top. See
Cacuminate.]
Defn: Having the point or top cut off. [Obs.] Bailey.
DECAD
Dec"ad, n.
Defn: A decade.
Averill was a decad and a half his elder. Tennyson.
DECADAL
Dec"a*dal, a.
Defn: Pertaining to ten; consisting of tens.
DECADE
Dec"ade, n. Etym: [F. décade, L. decas, -adis, fr. Gr. Ten.]
Defn: A group or division of ten; esp., a period of ten years; a decennium; as, a decade of years or days; a decade of soldiers; the second decade of Livy. [Written also decad.] During this notable decade of years. Gladstone.
DECADENCE; DECADENCY De*ca"dence, De*ca"den*cy, n. Etym: [LL. decadentia; L. de- + cadere to fall: cf. F. décadence. See Decay.]
Defn: A falling away; decay; deterioration; declension. "The old castle, where the family lived in their decadence.' Sir W. Scott.