Skull"cap` (?), n.
A cap which fits the head closely; also, formerly, a headpiece of iron sewed inside of a cap for protection.
Any plant of the labiate genus Scutellaria, the calyx of whose flower appears, when inverted, like a helmet with the visor raised.
Mad-dog skullcap Bot., an American herb (Scetellaria lateriflora) formerly prescribed as a cure for hydrophobia.
© Webster 1913.