Definify.com
Webster 1913 Edition
Skullcap
Skull′capˊ
,Noun.
1.
A cap which fits the head closely; also, formerly, a headpiece of iron sewed inside of a cap for protection.
2.
(Bot.)
Any plant of the labiate genus
Scutellaria
, the calyx of whose flower appears, when inverted, like a helmet with the visor raised. 3.
(Zool.)
The Lophiomys.
Mad-dog skullcap
(Bot.)
, an American herb (
Scetellaria lateriflora
) formerly prescribed as a cure for hydrophobia.