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.
The Lophiomys. Mad-dog skullcap (Bot.), an American herb (Scetellaria lateriflora) formerly prescribed as a cure for hydrophobia.
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