noun
Ursa Minor; the Lesser Bear
Astronomical term for the constellation containing Polaris.
こぐま座には北極星があります。
Ursa Minor contains the North Star.
Ursa Major, the Great Bear; a larger and more prominent constellation.
From 小 (こ, 'small') + 熊 (くま, 'bear') + 座 (ざ, 'constellation').