Refers to rabbits bred and kept by humans, as opposed to wild rabbits (野兎). Often used in contrast with カイウサギ (pet rabbit).
See also: 飼いうさぎ
Domestic rabbits are easier to tame than wild rabbits.
Raising domestic rabbits is popular in this area.
Standard kanji spelling for 'domestic rabbit'.
Mixed kanji-kana spelling; less common but still used.
Search-only form; not a standard spelling.
Katakana spelling, often used in biological or pet contexts.
Compound of 家 (いえ, 'house, home') and 兎 (うさぎ, 'rabbit'), literally 'house rabbit'.