Strong's #7351: rchiyt (pronounced rekh-eet')
from the same as 7298; a panel (as resembling a trough):--rafter.
Brown-Driver-Briggs Hebrew Lexicon:
rechı̂yṭ
1) rafters, boards
Part of Speech: noun masculine collective
Relation: from the same as H7298
Usage:
This word is used 1 times:
Song of Solomon 1:17: "The beams of our house are cedar, and our rafters of fir."