LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Macrīnus

Macrīnus m sg (genitive Macrīnī)
Classical[maˈkriː.nʊs]Ecclesiastical[maˈkriː.nus]

Meaning

  1. A Roman cognomen — famously held by
  2. Macrinus, a Roman emperor

Declension

declension
formsingularplural
nominativeMacrīnus—
genitiveMacrīnī—
dativeMacrīnō—
accusativeMacrīnum—
ablativeMacrīnō—
vocativeMacrīne—

Mā^crīnus, i, m.,
I. the name of a man.
I. A friend of the poet Persius, Pers. 2, 1.—
II. A Roman emperor, Aus. Caes. 23.

Origins

Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnus Latin Macrīnus From macer + -īnus.

In the Academy Smith's classical dictionaries

Biography & mythologyMacrinusMacrinus. Roman emperor, April, A. D. 217--June, A. D. 218. M. OPELIUS (OR OPILIUS) MACRINUS, afterwards M. OPELIUS SEVERUS MACRINUS, at whose instiga…

Quick answers

What does Macrīnus mean in Latin?
Macrīnus, a proper noun, means “A Roman cognomen — famously held by”.
What is the genitive of Macrīnus?
The genitive singular is Macrīnī. Macrīnus is masculine, second declension.
How do you pronounce Macrīnus?
In classical Latin, [maˈkriː.nʊs]; in ecclesiastical (church) Latin, [maˈkriː.nus].