歯鯨はくじら Noun English jmdict 1 noun (common) (futsuumeishi) word usually written using kana alone toothed whale;odontocete See also: 鬚鯨 (ひげくじら)
紐歯鯨ひもはくじら Noun English jmdict 1 noun (common) (futsuumeishi) word usually written using kana alone strap-toothed whale (Mesoplodon layardii);Layard's beaked whale