Strong's #3773: karuthah (pronounced kaw-rooth-aw')
passive participle feminine of 3772; something cut, i.e. a hewn timber:--beam.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
kârûthâh
1) beams, hewn beams
Part of Speech: noun feminine
Relation: passive participle of H3772
Usage:
This word is used 3 times:
1 Kings 6:36: "of hewed stone, and a row of cedar beams."
1 Kings 7:2: "of cedar pillars, with cedar beams upon the pillars."
1 Kings 7:12: "of hewed stones, and a row of cedar beams, court of the house of the LORD,"