masc. proper name, from French Jérome, from Late Latin Hieronymus, from Greek Hieronymos, literally "holy name," from hieros "holy" (see ire) + onyma, dialectal form of onoma "name" (from PIE root *no-men- "name").

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Definitions of Jerome from WordNet

Jerome (n.)
(Roman Catholic Church) one of the great Fathers of the early Christian Church whose major work was his translation of the Scriptures from Hebrew and Greek into Latin (which became the Vulgate); a saint and Doctor of the Church (347-420);
Synonyms: Saint Jerome / St. Jerome / Hieronymus / Eusebius Hieronymus / Eusebius Sophronius Hieronymus