りゅうこつ 竜骨 LinksSentence search for 竜骨Sentence search for りゅうこつSentence search for 龍骨Kanji details for 竜 and 骨Edit in JMdict Noun1. keel (of a ship)Other forms龍骨 【りゅうこつ】 Discussions Log in to talk about this word.