How do you say hen in Japanese?
— 雌鶏 (mendori); めんどり (mendori)


Generic synonyms for hen in Japanese
bird鳥 (とり, tori); 鳥類 (ちょうるい, chōrui)
chicken鶏 (にわとり, ニワトリ, 'niwatori')
female雌 (めす, mesu)