Strong's #4113: mahamorah (pronounced mah-ham-o-raw')

from an unused root of uncertain meaning; perhaps an abyss:--deep pit.

Brown-Driver-Briggs Hebrew Lexicon:

mahămôrâh

1) a flood, a pit of water, watery pit

Part of Speech: noun feminine

Relation: from an unused root of uncertain meaning

Usage:

This word is used 1 times:

 

Psalms 140:10: "upon them: let them be cast into the fire; into deep pits, that they rise not"