D defs.my
Entry 3 senses Webster, 1913

Skullcap

/skŭl'-kăpˌ/ · Skull·cap · IPA /ˈskʌlkæp/
01 n. A cap which fits the head closely; also, formerly, a headpiece of iron sewed inside of a cap for protection.
  1. 1.
    A cap which fits the head closely; also, formerly, a headpiece of iron sewed inside of a cap for protection.
  2. 2.
    Any plant of the labiate genus Scutellaria, the calyx of whose flower appears, when inverted, like a helmet with the visor raised.(Bot.)
  3. 3.
    The Lophiomys.(Zool.)
Phrases & compounds
Mad-dog skullcap — an American herb (Scetellaria lateriflora) formerly prescribed as a cure for hydrophobia.