noun🔗ShareサイチョウAny of various birds of the family Bucerotidae, with bills resembling a cow's horn. Many species have a casque above the bill, and many imprison their young in a tree."While hiking in the rainforest, we were lucky enough to spot a hornbill with its large, curved bill and the female sealed inside a tree cavity, protecting her chicks. "熱帯雨林でハイキングをしていると、大きな湾曲した嘴を持つサイチョウと、ヒナを守るために木の空洞の中に閉じ込められたメスを見ることができて幸運でした。animalbirdbiologynatureorganismChat with AIVocabulary GamePractice Reading