Strong's #7571: rethach (pronounced reh'-thakh)
from 7570; a boiling:--X (boil) well.
Brown-Driver-Briggs Hebrew Lexicon:
rethach
1) boiling
Part of Speech: noun masculine
Relation: from H7570
Usage:
This word is used 1 times:
Ezekiel 24:5: "the bones under it, and make it boil well, and let them seethe the bones of it therein."