a Minor Prophet of the 5th century b.c.
the book of the Bible bearing his name. Abbreviation: Mal.
Also Douay Bible, Mal·a·chi·as [mal-uh-kahy-uh s] /ˌmæl əˈkaɪ əs/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun Old Testament
a Hebrew prophet of the 5th century bc
the book containing his oraclesDouay spelling: Malachias (ˌmæləˈkaɪəs)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
masc. proper name, Old Testament name of the last in order of the Twelve Prophets, from Hebrew Mal'akhi, literally "my messenger," from mal'akh "messenger," from Semitic base l-'-k (cf. Arabic la'aka "he sent").
Online Etymology Dictionary, © 2010 Douglas Harper