Ursa noun. ['ǝ:sǝ] OE.
[Latin = (female) bear, the Great Bear.]
More fully Ursa Major. (The name of) a conspicuous constellation of the northern hemisphere that contains the Plough; the Great Bear. Also, the Plough itself.
Ursa Minor (the name of) the constellation that includes the polestar; the Little Bear.

[TahlilGaran] English Dictionary ▲