Strong’s Hebrew
H7571 — rethach
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
רֶתַח
rethach — pronounced reh'-thakh
from 7570; a boiling:--X (boil) well. see H07570
1 occurrence in the KJV.
Ezekiel 24:5
Take the choice of the flock, and burn also the bones under it, and make it boil well, and let them seethe the bones of it therein.