オットセイ おっとせい noun fur seal animal-mammal 1. fur seal An eared seal with a thick two-layered coat of fur, smaller than the sea lion and historically hunted for its valuable pelt. オットセイの毛皮(けがわ)は昔(むかし)珍重(ちんちょう)された。🔊 Fur seal pelts were prized in the past. 北(きた)の海(うみ)にはオットセイが多(おお)い。🔊 Fur seals are numerous in the northern seas. オットセイはアシカの仲間(なかま)で、厚(あつ)い毛(け)に覆(おお)われている。🔊 The fur seal is a relative of the sea lion, covered in thick fur. An eared seal prized for its dense two-layered fur. Related to the sea lion but smaller and with a much thicker coat.Similar wordsアシカ: sea lion — a close relative with sparser furアザラシ: seal — a true (earless) seal, not in the same family Related Words Compare: アシカ (sea lion) Compare: アザラシ (seal) general Added 2026.7.21 9:17 · Revised 2026.9.2 13:02 29500/29996_ottosei