noun
measuring container; measuring box; measure
A traditional square wooden box used for measuring volume, especially rice or sake. Also refers to the unit of measure itself (approx. 1.8 liters).
酒屋で一升枡を買った。
I bought a one-shō measuring box at the liquor store.
米を升で量る。
Measure rice with a masu.
noun
box seat; theatre box
Refers to a boxed seating area in a theatre or similar venue, derived from the square shape of the measuring container.
歌舞伎座の升席は人気がある。
The box seats at the Kabuki-za are popular.
noun
square on a grid; cell of a grid
Used for squares in a grid, cells in a table, or boxes in a crossword puzzle. The katakana spelling マス is especially common for this sense.
クロスワードのマスを埋める。
Fill in the squares of the crossword puzzle.
表の各マスに数字を入れてください。
Please put a number in each cell of the table.
noun
square bearing block (at the top of a pillar)
Only when written 斗
Architectural term for a square wooden block placed on top of a pillar to support a beam. Restricted to the kanji 斗.
この古い神社の柱の上には斗が使われている。
Square bearing blocks are used on top of the pillars in this old shrine.