- fine rain falling after sunset from a sky in which no clouds are visible.
Origin of serein
1865–70; < French serein, Middle French serain evening, nightfall < Vulgar Latin *sērānum, equivalent to Latin sēr(um) a late hour (neuter of sērus late) + -ānum, neuter of -ānus -an; compare obsolete English serene < Middle French
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for serein
Serein, se-rang′, n. a fine rain which falls from a cloudless sky.
- fine rain falling from a clear sky after sunset, esp in the tropics
C19: via French, from Old French serain dusk, from Latin sērus late