noun🔗ShareセイウチA large Arctic marine mammal related to seals and having long tusks, tough, wrinkled skin, and four flippers, Odobenus rosmarus."The zookeeper fed the walrus a bucket of fish. "飼育係はセイウチにバケツ一杯の魚を与えました。animalorganismbiologynatureenvironmentChat with AIVocabulary GamePractice Reading