伏在 ふくざい Meanings Noun, する verb, Intransitive, の-adjective lying concealed; being hidden Kanji 伏 lie low. Read as フク. 在 exist. Read as ザイ. Words containing 伏在 伏在静脈 (ふくざいじょうみゃく) saphenous vein Jinuma: Japanese Dictionary · Word lists