RIDGEPOLE
ridge, ridgepole, rooftree
(noun) a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters
Source: WordNet® 3.1
Etymology
Noun
ridgepole (plural ridgepoles)
A beam along the ridge of a roof to which the rafters are attached. [from 17th c.]
A horizontal pole that supports the roof of a ridge tent [from 18th c.]
Anagrams
• pergolide
Source: Wiktionary
Ridge"pole`, n. (Arch.)
Definition: The timber forming the ridge of a roof, into which the rafters
are secured.
Source: Webster’s Unabridged Dictionary 1913 Edition