Bulldog
Pronunciation : Bull"dog`
Part of Speech : n.
Definition : 1. (Zo?l.)
Defn: A variety of dog, of remarkable ferocity, courage, and tenacity of grip; -- so named, probably, from being formerly employed in baiting bulls.
2. (Metal.)
Defn: A refractory material used as a furnace lining, obtained by calcining the cinder or slag from the puddling furnace of a rolling mill.
Source : Webster's Unabridged Dictionary, 1913
Pronunciation : Bull"dog`
Part of Speech : a.
Definition : Defn: Characteristic of, or like, a bulldog; stubborn; as, bulldog courage; bulldog tenacity. Bulldog bat (zo'94l.), a bat of the genus Nyctinomus; -- so called from the shape of its face.
Source : Webster's Unabridged Dictionary, 1913