bot·tle·nose dolphin 
(bŏtl-nōz′) also bot·tle-nosed dolphin (-nōzd′)
(bŏtl-nōz′) also bot·tle-nosed dolphin (-nōzd′)n.
A marine mammal (Tursiops truncatus) of temperate and tropical waters worldwide, having a short protruding beak, a gray or brown stocky body, and a prominent curved dorsal fin.