cognomen

[kog-noh-muh n]
See more synonyms for cognomen on Thesaurus.com
noun, plural cog·no·mens, cog·nom·i·na [kog-nom-uh-nuh] /kɒgˈnɒm ə nə/.
  1. a surname.
  2. any name, especially a nickname.
  3. the third and commonly the last name of a citizen of ancient Rome, indicating the person's house or family, as “Caesar” in “Gaius Julius Caesar.”Compare agnomen(def 1).

Origin of cognomen

1800–10; < Latin, equivalent to co- co- + nōmen name, with -g- on model of nōscī: cognōscī; see cognition
Related formscog·nom·i·nal [kog-nom-uh-nuh l, -noh-muh-] /kɒgˈnɒm ə nəl, -ˈnoʊ mə-/, adjectivecog·nom·i·nal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for cognomen

handle, title, epithet, surname, moniker, nickname

Examples from the Web for cognomen

Historical Examples of cognomen


British Dictionary definitions for cognomen

cognomen

noun plural -nomens or -nomina (-ˈnɒmɪnə, -ˈnəʊ-)
  1. (originally) an ancient Roman's third name or nickname, which later became his family nameSee also agnomen, nomen, praenomen
Derived Formscognominal (kɒɡˈnɒmɪnəl, -ˈnəʊ-), adjectivecognominally, adverb

Word Origin for cognomen

C19: from Latin: additional name, from co- together + nōmen name; influenced in form by cognōscere to learn
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

Word Origin and History for cognomen
n.

1809, from Latin com- "with" (see co-) + (g)nomen "name" (see name (n.)). Third or family name of a Roman citizen (Caius Julius Cæsar).

Online Etymology Dictionary, © 2010 Douglas Harper