Strong's #4052: migra`ah (pronounced mig-raw-aw')
from 1639; a ledge or offset:--narrowed rest.
Brown-Driver-Briggs Hebrew Lexicon:
migrâ‛âh
1) recess, ledge, rebatement
Part of Speech: noun feminine
Relation: from H1639
Usage:
This word is used 1 times:
1 Kings 6:6: "without in the wall of the house he made narrowed rests round about, that the beams should not be fastened in the walls"