noun
bear cub; small bear
Refers to a young bear, typically a cub. Can also mean a small bear in general.
森で子熊を見つけた。
I found a bear cub in the forest.
動物園に小さな小熊が生まれた。
A tiny bear cub was born at the zoo.
Constellation Ursa Minor; uses the same kanji but refers to the star pattern, not a real bear.
Compound of 子 (ko, 'child') or 小 (ko, 'small') + 熊 (kuma, 'bear'). The reading こぐま is a straightforward combination.