LATIN DICTIONARYLexicon Latīnum
noun · masculinesecond declension

collybus

collybus m (genitive collybī)
Classical[ˈkɔl.ly.bʊs]Ecclesiastical[ˈkɔl.li.bus]

Meaning

  1. masculineexchange (of currencies)
  2. masculinerate of exchange; premium

Declension

declension
formsingularplural
nominativecollybuscollybī
genitivecollybīcollybōrum
dativecollybōcollybīs
accusativecollybumcollybōs
ablativecollybōcollybīs
vocativecollybecollybī

collўbus (collŭbus), i, m., = κόλλυβος [prob. of Phoenicio-Semitic origin, kindr. with the Heb. , to change],
I. the exchange of coins of different kinds, or of different countries, agio.
I. Prop., Cic. Att. 12, 6, 1; Cassiod. Parm. ap. Suet. Aug. 4.—
II. Meton., the rate or premium of exchange, Cic. Verr. 2, 3, 78, § 181.

Origins

Borrowed from Ancient Greek κόλλυβος (kóllubos).

In the Academy Smith's classical dictionaries

Quick answers

What does collybus mean in Latin?
collybus, a noun, means “exchange (of currencies); rate of exchange; premium”.
What is the genitive of collybus?
The genitive singular is collybī. collybus is masculine, second declension.
How do you pronounce collybus?
In classical Latin, [ˈkɔl.ly.bʊs]; in ecclesiastical (church) Latin, [ˈkɔl.li.bus].