Ūr'sa, n.

n. [Lat. ursa, a she-bear; also, as a constellation, f. of ursus, a bear.] A bear.

Ursa Major (Astron.), the Great Bear, one of the most conspicuous of the northern constellations, situated near the pole. It contains the stars which form the Dipper, or Charles's Wain. — Ursa Minor, the Little Bear, the constellation nearest the north pole. It contains the pole-star, which is situated in the extremity of the tail.