Jōyō kanji, Taught in junior high
JLPT level: N1
1809 of 2500 most used kanji in newspapers
Stroke count: 15
Meaning: vat, tub, tank
Kunyomi: ふね
Onyomi: ソウ
Composition: 木 曹
Radical: 木
Meaning: tree
槽 （ソウ） body (of a biwa)
浄化槽 （ジョウカソウ） water-purification tank, septic tank
電解槽 （デンカイソウ） electrolytic cell, electrolytic bath
船 （ふね） ship, boat, watercraft, vessel, seaplane, tank, tub, vat, trough, counter for boat-shaped containers (e.g. of sashimi)