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A wooden window grill in Plaza del Conde del Real, Valencia (Spain). The structure was probably used as a stable.
A wooden window grill in Plaza del Conde del Real, Valencia (Spain). The structure was probably used as a stable.

A grille or grill (French word from Latin craticula, small grill) is an opening of several slits side-by-side in a wall, metal sheet or another barrier, usually to allow air or water to enter and/or leave and prevent larger objects (such as animals) from going in or out.[1]

A similar definition is "a French term for an enclosure in either iron or bronze."[2]

Register vs. grille

In heating, cooling, ventilation, or a combination thereof, a grille is a perforated cover for an air duct. Grilles sometimes have louvers which allow the flow of air to be directed.

Grille, and control for an air duct
Grille, and control for an air duct

A register differs from a grille in that a damper is included.[3][4] However, in practice, the terms "grille", "register", and "return" are often used interchangeably, and care must be taken to determine the meaning of the term used.[4][5]

See also

References

  1. ^ "Grille, Grill, n." def. 1.a. Oxford English Dictionary Second Edition on CD-ROM (v. 4.0) © Oxford University Press 2009
  2. ^ Chisholm, Hugh, ed. (1911). "Grille" . Encyclopædia Britannica. 12 (11th ed.). Cambridge University Press. p. 596.
  3. ^ Sugarman 2005, p. 132.
  4. ^ a b Haines & Wilson 2003, p. 129.
  5. ^ Dearborn Home Inspection 2003, p. 80.