Dictionary.com
Thesaurus.com

musca volitans

American  
[muhs-kuh vol-i-tanz] / ˈmʌs kə ˈvɒl ɪˌtænz /

noun

Ophthalmology.

PLURAL

muscae volitantes
  1. floater.


Etymology

Origin of musca volitans

< New Latin; Latin: fly flying about