jack rafter en · NOUN
Meanings
- (UK) One of the shorter rafters used in constructing a hip roof.
- (US) Any secondary roof timber, such as the common rafters resting on purlins in a trussed roof; also, one of the pieces simulating extended rafters, used under the eaves in some styles of building.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| jack rafters | Number=Plur | lexicographic |