Or mrowrah {mer-o-raw'}; from marar; properly, bitterness; concretely, a bitter thing; specifically bile; also venom (of a serpent) -- bitter (thing), gall.
see HEBREW marar
H4846. merorah
[מְרֹרָה] noun feminine bitter thing, gall, poison; construct מְרוֺרַת Job 20:14; suffix מְרֹרָתוֺ 20:25; plural מְרֹרֹת Deuteronomy 32:32, מְרֹרוֺת Job 13:36; —
1 gall, i.e. seat of gall, gall-bladder Job 20:25 ("" גֵּוָה back; compare מְרֵרָה Job 16:30).
2 = poison, ׳מ מְּתָנִים Job 20:14.
3 מְרֹרוֺת bitter thing Job 13:26 (of God's edict of judgment).
4 plural abstract = bitterness; ׳מ אַשְׁכְּלֹת Deuteronomy 32:32 clusters of bitterness ("" רוֺשׁ עִנְּבְי).