Origin: 1490–1500; (def. 1) < Middle French < frātricīda, equivalent to frātri- (combining form of frāter) brother + -cīda-cide; (def. 2) < Middle French < Late Latin frātricīdium, equivalent to frātricīd(a) + -ium noun suffix
military the destruction of or interference with a nuclear missile before it can strike its target caused by the earlier explosion of a warhead at a nearby target
mid-15c., from L. fratricida, from frater "brother" + cida "killer," or cidum "a killing," both from caedere "to kill, to cut down" (see concise). Related: Fratricidal.