Lepus

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A constellation in the Southern Hemisphere near Orion and Columba.

Century Dictionary and Cyclopedia

1. n. The representative and only extant genus of Leporidæ. There are about 30 species, of most parts of the world except Australia. South America has but one, the tapeti, L. brasiliensis. India and Africa have several, and North America the largest number. L. timidus is the common hare of Europe. L. cuniculus is the common rabbit, the original of the domestic varieties. The polar hare, white in winter, is L. timidus, var. arcticus. Several other species also turn white. L. americanus is the common varying hare of North America. L. campestris is the northern prairie-hare. L. callotis and L. californicus are two large southern hares of the same continent. L. aquaticus is the swamp-hare of the southern United States. L. palustris is the marsh-hare. The common wood-rabbit or molly cottontail of the United States is L. sylvaticus, of which there are several varieties in the West. See cuts under cottontail, hare, and jack-rabbit.
2. n. An ancient southern constellation, situated south of Orion and east of Canis Major. Its brightest star, of 2.7 magnitude, is in a line from the middle star of Orion's belt through the sword of Orion.

Wiktionary

1. n. astronomy A winter constellation of the northern sky, said to resemble a rabbit. It lies south of the constellation Orion.
2. n. A taxonomic genus within the family Leporidae — the hares and jackrabbits.

GNU Webster's 1913

1. n. The type genus of the Leporidae, comprising the hares.

WordNet 3.0

1. n. type genus of the Leporidae: hares
2. n. a constellation in the southern hemisphere near Orion and Columba