CREPUSCLE; CREPUSCULE Cre*pus"cle (kr-ps"s'l), Cre*pus"cule (kr-ps"kl), n. Etym: [L. crepusculum, fr. creper dusky, dark: cf. F. cr.]

Defn: Twilight. Bailey.

CREPUSCULAR; CREPUSCULOUS
Cre*pus"cu*lar (-k-lr), Cre*pus"cu*lous (-ls), a. Etym: [Cf. F. cr.]

1. Pertaining to twilight; glimmering; hence, imperfectly clear or luminous. This semihistorical and crepuscular period. Sir G. C. Lewis.

2. (Zoöl.)

Defn: Flying in the twilight or evening, or before sunrise; — said
certain birds and insects.
Others feed only in the twilight, as bats and owls, and are called
crepuscular. Whewell.

CREPUSCULINE
Cre*pus"cu*line, a.

Defn: Crepuscular. [Obs.] Sprat.

CRESCENCE
Cres"cence (krs"sens), n. Etym: [See Crescent.]

Defn: Increase; enlargement. [Obs.]
And toward the moon's attractive crescence bend. H. Brooke.