noun
cutting into four; quartering
Refers to the act of dividing something into four equal parts, or the resulting pieces. Common in cooking and everyday contexts.
りんごを四つ切りにして、みんなで分けた。
We cut the apple into four pieces and shared it.
このケーキは四つ切りで売られています。
This cake is sold in quarters.
noun
quarter-plate photo size (254mm × 305mm)
A specific photographic print size, roughly equivalent to 10×12 inches. Used in photography contexts.
四つ切りの印画紙を買ってきた。
I bought some quarter-plate photographic paper.
この写真は四つ切りサイズに引き伸ばした。
I enlarged this photo to quarter-plate size.
Compound of 四つ (yotsu, 'four') + 切り (kiri, 'cutting', from 切る). The photographic size sense derives from the fact that a quarter-plate print is roughly one-fourth of a whole-plate sheet.