fine rain falling from a clear sky after sunset, esp in the tropics
Word origin
C19: via French, from Old French serain dusk, from Latin sērus late
serein in American English
(səˈræn)
noun
Meteorology
fine rain falling after sunset from a sky in which no clouds are visible
Word origin
[1865–70; ‹ F serein, MF serain evening, nightfall ‹ VL *sērānum, equiv. to L sēr(um) a late hour (neut. of sērus late) + -ānum, neut. of -ānus-an; cf. obs. E serene ‹ MF]This word is first recorded in the period 1865–70. Other words that entered Englishat around the same time include: dunk, figure skating, goulash, racism, steamroller