げいろう 鯨蝋 LinksSentence search for 鯨蝋Sentence search for げいろうSentence search for くじらろうSentence search for 鯨ろうKanji details for 鯨 and 蝋Edit in JMdict Noun1. spermaceti (waxy substance found in the head cavities of sperm whales)Other forms鯨蝋 【くじらろう】、鯨ろう 【げいろう】、鯨ろう 【くじらろう】 Discussions Log in to talk about this word.