Advertisement

ridgepole (n.)

also ridge-pole, 1670s, "timber at the ridge of a roof, into which the rafters are fastened," from ridge (n.) + pole (n.1). By 1788 as  "horizontal pole of a tent." Ridge-pole pine is by 1885.

Others are reading

Advertisement
Definitions of ridgepole from WordNet

ridgepole (n.)
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;
Synonyms: ridge / rooftree
From wordnet.princeton.edu