מְרֹרָהmᵉrôrâh

bitter thing, gall, poison

Pronunciation: mer-o-raw' · Hebrew/Aramaic (Old Testament) · H4846

Meanings

1. i.e. seat of gall, gall-bladder (Job 20:25; Job 16:30)

2. = poison (Job 20:14)

3. bitter thing (Job 13:26)

4. = bitterness (Deuteronomy 32:32)

Same root

מָרַרmârar · H4843to be (causatively, make) bitter (literally or figuratively)

Where it appears

Appears 4 times in the Bible.

Deuteronomy 32:32 Their vine grows from the vine of Sodom, from the vineyards of Gomorrah. Their grapes are poison, and their clusters are bitter.
Job 13:26 “You write bitter accusations against me and bring up all the sins of my youth.
Job 20:14 But suddenly the food in their bellies turns sour, a poisonous venom in their stomach.
Job 20:25 The arrow is pulled from their back, and the arrowhead glistens with blood. The terrors of death are upon them.

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).