serotine

adjective

1. late in occurring, developing, or flowering.

noun

1. a small Eurasian brown bat, Eptesicus serotinus.

adjective

1. Also: serotinal (sɪˈrɒtɪnəl), serotinous biology produced, flowering, or developing late in the season

noun

2. either of two insectivorous bats, Eptesicus serotinus or Vespertilio serotinus: family Vespertilionidae

adj.“late,” 1590s, from French sérotine, from Latin serotinus “that which comes late; that which happens in the evening,” from sero, adverb of serus “late” (see soiree). Also as a noun, a type of small, brown bat, from 1771. Related: serotinous, in botany (1880) “appearing later in the season than usual.”