Strong's Definition
from the same as 4397; ministrative; Malaki, a prophet
KJV Usage: Malachi
STEPBible — Tyndale Abridged Hebrew Lexicon
מַלְאָכִי (mal.a.khi) — Malachi. A prophet living at the time of Exile and Return, only mentioned at Mal.1.1 § Malachi = "My messenger" the prophet who wrote the last book of the Old Testament; nothing else is known
UBS Dictionary of Biblical Hebrew
name
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
מַלְאָכִי appar. n.pr.m., Mal 1:1 Malachi, but in fact not historical name of author, nor pseudonym for Ezra; prob. a conjecture based on 3:1; so many moderns; see Dr Intr. done