単弓類 たんきゅうるい Meanings Noun synapsids; theropsids mammal-like reptiles See also: 哺乳類型爬虫類 (ほにゅうるいがたはちゅうるい). Kanji 単 single. Read as タン. 弓 bow. Read as キュウ. 類 class. Read as ルイ. Jinuma: Japanese Dictionary · Word lists