Bulldog
Bull´dog`
| n. | 1. | (Zool.) A variety of dog, of remarkable ferocity, courage, and tenacity of grip; - so named, probably, from being formerly employed in baiting bulls. | |||
| 2. | (Metal.) A refractory material used as a furnace lining, obtained by calcining the cinder or slag from the puddling furnace of a rolling mill. | ||||
| a. | 1. | Characteristic of, or like, a bulldog; stubborn;
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| Noun | 1. |  bulldog - a sturdy thickset short-haired breed with a large head and strong undershot lower jaw; developed originally in England for bull baitingSynonyms: English bulldog |
| Verb | 1. | bulldog - attack viciously and ferociously |
| 2. | bulldog - throw a steer by seizing the horns and twisting the neck, as in a rodeo | |
| Adj. | 1. | bulldog - stubbornly unyielding; "dogged persistence"; "dour determination"; "the most vocal and pertinacious of all the critics"; "a mind not gifted to discover truth but tenacious to hold it"- T.S.Eliot; "men tenacious of opinion" |