BIRD'S-NESTING
Bird's-nest`ing, n.
Defn: Hunting for, or taking, birds' nests or their contents.
BIRD'S-TONGUE
Bird's"-tongue`, n. (Bot.)
Defn: The knotgrass (Polygonum aviculare).
BIRD-WITTED
Bird"-wit`ted, a.
Defn: Flighty; passing rapidly from one subject to another; not having the faculty of attention. Bacon.
BIRDWOMAN
Bird"wom`an, n.
Defn: An airwoman; an aviatress. [Colloq.]
BIRECTANGULAR
Bi`rec*tan"gu*lar, a. Etym: [Pref. bi- + rectangular.]
Defn: Containing or having two right angles; as, a birectangular spherical triangle.