浮草 うきくさ Also written ウキクサ, 萍, 浮き草, 浮き萍 Meanings Noun floating weed greater duckweed (Spirodela polyrhiza) の-adjective precarious; unstable Kanji 浮 float. Read as うく. 草 grass. Read as くさ. Words containing 浮草 青浮草 (あおうきくさ) duckweed Jinuma: Japanese Dictionary · Word lists