Lewis Short
burra | burrae, ārum (noun F.f) : burrus.
* A small cow with a red mouth or muzzle, acc. to Fest. s. v.
* A shaggy garment, Anthol. Lat. 5, 133, 5.—Hence, plur.: , , , trifles, nonsense (post-class.): burras, quisquilias, ineptiasque, etc., Aus. praef. ad Latin. Pacat. 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary