slotted grating; perforated plate; slotted drain cover
Technical term for a plate or grating with slots or holes, used in drains, filters, or similar applications.
A slotted grating is fitted in the drain.
Water flows down through the holes in the perforated plate.
Compound of 目 (me, 'eye; hole') and 皿 (sara, 'plate; dish'), referring to a plate with eye-like holes or slots. The exact historical derivation is uncertain.