Rom.

Proper noun

 * 1) Abbreviation of Romanic or Romance languages
 * 1) Abbreviation of Romanic or Romance languages
 * 1) Abbreviation of Romanic or Romance languages

Usage notes
The country abbreviation is the customary abbreviation of this term as used in case citations. See, e.g., The Bluebook: A Uniform System of Citation, Nineteenth Edition (2010), "Geographical Terms: Foreign countries and regions", Table T10.3, p. 438-443.