Rafter vs. Purlin

Rafter and Purlin Definitions
Rafter
One who travels by raft.
Purlin
One of several horizontal timbers supporting the rafters of a roof.
Rafter
One of the sloping beams that supports a pitched roof.
Purlin
A longitudinal structural member bridging two or more rafters of a roof.
Rafter
A group or flock, especially of wild turkeys.
Purlin
In root construction, a horizontal member supported on the principals and supporting the common rafters.
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Rafter
(architecture) One of a series of sloped beams that extend from the ridge or hip to the downslope perimeter or eave, designed to support the roof deck and its associated loads.
Rafter
(collective) A flock of turkeys.
Rafter
A raftsman.
Rafter
(transitive) To make (timber, etc.) into rafters.
Rafter
(transitive) To furnish (a building) with rafters.
Rafter
To plough so as to turn the grass side of each furrow upon an unploughed ridge; to ridge.
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Rafter
A raftsman.
Rafter
Originally, any rough and somewhat heavy piece of timber. Now, commonly, one of the timbers of a roof which are put on sloping, according to the inclination of the roof. See Illust. of Queen-post.
[Courtesy] oft is sooner found in lowly sheds,With smoky rafters, than in tapestry halls.
Rafter
To make into rafters, as timber.
Rafter
To furnish with rafters, as a house.
Rafter
To plow so as to turn the grass side of each furrow upon an unplowed ridge; to ridge.
Rafter
One of several parallel sloping beams that support a roof
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Rafter
Someone who travels by raft
Rafter
Provide (a ceiling) with rafters