noun
cross between a mallard and domestic duck; hybrid duck
Refers to the hybrid offspring of a mallard and a domestic duck, often used in rice farming (aigamo method) or for meat.
合鴨農法では、アイガモが田んぼの雑草や害虫を食べてくれます。
In the aigamo farming method, hybrid ducks eat weeds and pests in the rice paddies.
このレストランでは合鴨のローストが名物です。
Roast hybrid duck is a specialty at this restaurant.
Compound of 合い (ai, 'mutual, together') + 鴨 (kamo, 'wild duck'). The kanji 合鴨 literally means 'combined duck', reflecting its hybrid origin.