jōkasō
1. water-purification tank
2. septic tank
★ Common
Noun
#55006
1. water-purification tank
2. septic tank
1. ship; boat
2. tank; tub
3. counter for boat-shaped containers (e.g. of sashimi)
1. basin; tub
1. body (of a biwa)
1. If/when septic tank; When a septic tank
1. Not a septic tank.
1. Was a septic tank.
1. If it were a septic tank.; When it is a septic tank.
1. It is not a septic tank.
1. Was not a septic tank.; Was not a purification tank.