crepuscular Meaning, Definition & Usage

  1. adjective satellite like twilight; dim
    • the evening's crepuscular charm

WordNet

Cre*pus"cu*lar, Cre*pus"cu*lous adjective (Also<
  • Crepuscular
  • Crepusculous
)
Etymology
Cf. F. crpusculaire.
Definitions
  1. Pertaining to twilight; glimmering; hence, imperfectly clear or luminous.
    This semihistorical and crepuscular period. Sir G. C. Lewis.
  2. (Zoöl.) 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.

Webster 1913