Strong's #7555: riqqua` (pronounced rik-koo'-ah)
from 7554; beaten out, i.e. a (metallic) plate:--broad.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
riqqûa‛
1) expansion (of plates)
Part of Speech: noun masculine
Relation: from H7554
Usage:
This word is used 1 times:
Numbers 16:38: "sinners against their own souls, let them make them broad plates for a covering of the altar:"