n. (Chem.) A poisonous alkaloid extracted from corroval, and characterized by its immediate action in paralyzing the heart. [ 1913 Webster ]
a. (Zool.) Related to, or resembling, the serval. [ 1913 Webster ]
n. [ Cf. F. avaler to let down, drink up. Cf. Avalanche. ] A tube for drawing liquors from a cask by the bunghole.