What is the meaning of Tsubo?

A Japanese unit of areal measure, roughly 3.3 m or 35.5 ft, equivalent to the area of two rectangular tatami mats placed side-by-side to form a square.

A pressure point in the traditions of shiatsu, acupressure, and acupuncture.

A large round studio pottery vase.

Rōmaji transcription of つぼ

Source: wiktionary.org