Strong's Definition
for 4751 feminine; bitter; Mara, a symbolic name of Naomi
KJV Usage: Mara
STEPBible — Tyndale Abridged Hebrew Lexicon
מָרָא (ma.ra) — Mara. A woman living before Israel's Monarchy, first mentioned at Rut.1.2; married to Elimelech (H0458); mother of: Mahlon (H4248) and Chilion (H3630); also called Mara at Rut.1.20; Another name of no.o.mi (נׇעֳמִי "Naomi" H5281) § Mara = "bitterness" a name that Naomi called herself due to her calamities
UBS Dictionary of Biblical Hebrew
adj · מַר
Names of People | ≈ נָעֳמִי
Mara = woman, better known as Naomi, wife of Elimelech, mother-in-law of Ruth
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
מַר adj. and subst. bitter, bitterness base