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Purlin definition

pûrlĭn
Purlin is a support board of a roof.

An example of a purlin is a horizontal wooden board holding up the rafters of a roof.

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A longitudinal structural member bridging two or more rafters of a roof.
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One of several horizontal timbers supporting the rafters of a roof.
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A horizontal timber supporting the rafters of a roof.
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Alternative Forms

Alternative Form of purlin - purline

Other Word Forms

Noun

Singular:
purlin
Plural:
purlins

Origin of purlin

  • Middle English

    From American Heritage Dictionary of the English Language, 5th Edition

  • Information on the origin of the term is scant at best. According to Websters it comes from the 15th century English. According to the Oxford Concise Dictionary, it is "Middle English, perhaps of French origin". All other sources referenced Middle English or 15th Century English.

    From Wiktionary

Purlin Sentence Examples

  • The roof has rafters and a ridge purlin with plaster between.

  • The two transverse frames are apparently pairs of base crucks with tie beams supporting a crown post and collar purlin roof.

  • Low Priority Paint steel roof purlins, replace rotten timbers within the purlin angle sections.

  • The old porch was removed and a new one designed using an oak purlin from the wagon roof in the nave.

More sentences

Words near purlin in the Dictionary