• synonyms

principal rafter

See more synonyms for principal rafter on Thesaurus.com
  1. a diagonal member of a roof principal, usually forming part of a truss and supporting the purlins on which the common rafters rest.
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Origin of principal rafter

First recorded in 1655–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018