muscae noun pl. ['mʌsi:] M18.[Latin, pl. of 
musca fly.]
Chiefly 
Medicine. In full 
muscae volitantes [vɒlɪ'tanti:z] [pres. pple of volitare fly about]. Specks which appear to float before the eyes, freq. due to particles in the vitreous humour of the eye. 
 [TahlilGaran] English Dictionary ▲