Definition of Callithrix in US English:

Callithrix

(also callithrix)

noun

  • A genus of marmoset monkeys of the family Callitrichidae, found chiefly in Brazil. Also (in form callithrix): a monkey of this genus (also "callithrix monkey").

Origin

Late 16th century; earliest use found in John Bossewell (d. 1580), author. From classical Latin callithrix (plural callitriches), a kind of ape or monkey in Ethiopia (Pliny) from ancient Greek καλλίθριξ (oblique stem καλλιτριχ-) having beautiful hair or fur from καλλι-, combining form of κάλλος beauty + θρίξ hair, adopted as a genus name by J. C. P. Erxleben in his Systema Regni Animalis 55.