Strong's Definition
from an unused root meaning to connect; a girder
KJV Usage: beam
STEPBible — Tyndale Abridged Hebrew Lexicon
כָּפִיס (ka.phis) — rafter. rafter, girder (meaning uncertain)
UBS Dictionary of Biblical Hebrew
noun m
Buildings
rafter, beam exact meaning uncertain; possibly = a part of a building used to support the roof, like a rafter or a beam
1 HAB 2:11 NRSV "plaster"
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
כָּפִיס n.m. appar. term. techn. for some beam in a house, perhaps rafter, or girder;—only Hb 2:11 ref