Val"yl*ene (?), n. [Valerian + - yl.] (Chem.) A volatile liquid
hydrocarbon, C5H6, related to ethylene and acetylene, but possessing
the property of unsaturation in the third degree. It is the only known
member of a distinct series of compounds. It has a garlic odor.
Vam"brace (?), n. [See Vantbrass.] (Anc. Armor) The piece designed to
protect the arm from the elbow to the wrist.
Va*mose" (?), v. i. & t. [Sp. vamos let us go.] To depart quickly; to
depart from. [Written also vamos, and vamoose.] [Slang, Eng. & U. S.]