WAD n.
raw, tow, paper, or old rope yarn, used for retaining a charge of powder in a gun, or for keeping the powder and shot close; also, to diminish or avoid the effects of windage. Also, by extension, a dusk of felt, pasteboard, etc., serving a similar purpose.
WARDIAN a.
Designating, or pertaining to, a kind of glass inclosure for keeping ferns, mosses, etc., or for transporting growing plants from a distance; as, a Wardian case of plants; -- so named from the inventor, Nathaniel B. Ward, an Englishman.