'Grizzly bear' definitions:

Definition of 'grizzly bear'

(from WordNet)
noun
Powerful brownish-yellow bear of the uplands of western North America [syn: grizzly, grizzly bear, silvertip, silver-tip, Ursus horribilis, Ursus arctos horribilis]

Definition of 'Grizzly bear'

From: GCIDE
  • Grizzly \Griz"zly\, a. Somewhat gray; grizzled. [1913 Webster]
  • Old squirrels that turn grizzly. --Bacon. [1913 Webster]
  • Grizzly bear (Zool.), a large and ferocious bear ({Ursus horribilis}) of Western North America and the Rocky Mountains. It is remarkable for the great length of its claws. [1913 Webster]

Definition of 'grizzly bear'

From: GCIDE
  • Turkey-trot \Tur"key-trot`\, n. An eccentric ragtime dance, danced with the feet well apart and with a characteristic rise on the ball of the foot, followed by a drop upon the heel. The original form, owing to the positions assumed by the dancers, is offensively suggestive. Similar dances are the
  • bunny hug and
  • grizzly bear, so called in allusion to the movements and the positions assumed by the partners in dancing. [Webster 1913 Suppl.]