Real Dictionary

hare
variable noun: A hare is an animal like a rabbit but larger with long ears, long legs, and a small tail.
verb: If you hare off somewhere, you go there very quickly.

hare in American English
any of a large group of swift mammals (order Lagomorpha) of the same family (Leporidae) as the rabbits, with long ears, soft fur, a cleft upper lip, a short tail, and long, powerful hind legs: it differs from a rabbit in that it is larger, does not burrow
to run fast or go hurriedly

hare in American Englishesp collectively
intransitive verb: to run fast
noun: any rodentlike mammal of the genus Lepus, of the family Leporidae, having long ears, a divided upper lip, and long hind limbs adapted for leaping

hare in British English
noun: any solitary leporid mammal of the genus Lepus, such as L. europaeus ( European hare). Hares are larger than rabbits, having longer ears and legs, and live in shallow nests (forms)

Hare in British English 1
noun: Sir David. born 1947, British dramatist and theatre director: his plays include Plenty (1978), Pravda (with Howard Brenton, 1985), The Secret Rapture (1989), Racing Demon (1990), The Permanent Way (2003), and Stuff Happens (2004)

Hare in British English 2
noun: a member of a Dene Native Canadian people of northern Canada