Strong's Definition
from 489 in the sense of concealment; some one (i.e. so and so, without giving the name of the person or place)
KJV Usage: one, and such
STEPBible — Tyndale Abridged Hebrew Lexicon
אַלְמֹנִי (al.mo.ni) — someone. someone, a certain one
UBS Dictionary of Biblical Hebrew
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
אַלְמֹנִי adj. some one, a certain (name unspoken) base