Strong's #4845: mrerah (pronounced mer-ay-raw')
from 4843; bile (from its bitterness):--gall.
Brown-Driver-Briggs Hebrew Lexicon:
merêrâh
1) gall
Part of Speech: noun feminine
Relation: from H4843
Usage:
This word is used 1 times:
Job 16:13: "my reins asunder, and doth not spare; he poureth out my gall upon the ground."