Search Result for "aphthae": 

The Collaborative International Dictionary of English v.0.48:

Aphthae \Aph"th[ae]\, n. pl. [L., fr. Gr. ? (mostly in pl. ?, Hipp.) an eruption, thrush, fr. ? to set on fire, inflame.] (Med.) Roundish pearl-colored specks or flakes in the mouth, on the lips, etc., terminating in white sloughs. They are commonly characteristic of thrush. [1913 Webster]