Strong's #3714: kaphiyc (pronounced kaw-fece')
from an unused root meaning to connect; a girder:--beam.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
kâphı̂ys
1) rafter, girder (meaning dubious)
Part of Speech: noun masculine
Relation: from an unused root meaning to connect
Usage:
This word is used 1 times:
Habakkuk 2:11: "the stone shall cry out of the wall, and the beam out of the timber shall answer"