from
The Collaborative International Dictionary of English v.0.48
Musca \Mus"ca\, prop. n.; pl. {Muscae}. [L., a fly.]
1. (Zool.) A genus of dipterous insects, including the common
house fly, and numerous allied species.
[1913 Webster]
Note: Formerly, a large part of the Diptera were included
under the genus {Musca}.
[1913 Webster]
2. (Astron.) A small constellation situated between the
Southern Cross and the Pole.
[1913 Webster]
{Muscae volitantes}. [L., flying flies.] (Med.) Specks or
filaments apparently seen moving or gliding about in the
field of vision. Their appearance is often a symptom of
disease of the eye, or of disorder of the nervous system.
[1913 Webster] Muscadel