Strong's #4540: mcukkah (pronounced mes-ook-kaw')
from 5526; a covering, i.e. garniture:--covering.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
mesûkkâh
1) covering
Part of Speech: noun feminine
Relation: a covering, i.e. garniture
Usage:
This word is used 1 times:
Ezekiel 28:13: "every precious stone was thy covering, the sardius, topaz, and the diamond, the beryl,"