"emit, vivid flashes of light," 1705, from Latin coruscatus, past participle of coruscare "to vibrate, glitter," perhaps from PIE *(s)ker- (2) "leap, jump about" (compare scherzo), but de Vaan considers this "a long shot." Related: Coruscated; coruscating.
his playing coruscated throughout the concert hall
corticole
corticosteroid
cortisol
cortisone
corundum
coruscate
coruscation
corvee
corvette
corvine
Corydon