Arista | Webster's Dictionary of the English Language

arista
ărista, ae, f. [perh. for acrista and akin to ācer, q. v., or perh. to aro, q. v.; cf. Germ. Aehre; ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
arista
arista ae, f 2 AC-, the top of an ear, beard of corn : munitur vallo aristarum: tenerae, V.— An e...

An Elementary Latin Dictionary