A slat is a strip of wood or other thin material. The blinds that cover your windows are made up of slats.

The horizontal slats in Persian or Venetian blinds are often made of plastic, fabric, or metal, and they can be adjusted to let light in or shut it out completely. Some wooden fences are made of slats as well, and bed frames often have slats that support the mattress placed on top of them. Slat was originally sclat, from the Old French esclat, "split, chip, or piece."

Definitions of slat

n a thin strip (wood or metal)

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a narrow thin strip of wood used as backing for plaster or to make latticework
fin, louver, louvre
one of a set of parallel slats in a door or window to admit air and reject rain
a slat of wood in the middle of the back of a straight chair
lag, stave
one of several thin slats of wood forming the sides of a barrel or bucket
Type of:
thin piece of wood or metal

v equip or bar with slats

Slat the windows”
Type of:
furnish, provide, render, supply
give something useful or necessary to

v close the slats of (windows)

Type of:
close, shut
move so that an opening or passage is obstructed; make shut

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