- a bristle-like fiber on the spikelet of some grains or grasses; awn
- a bristle that extends from the antenna of certain dipterous insects: used in flight for monitoring air speed and for wing control
Origin of aristaClassical Latin
nounpl. a·ris·tae or a·ris·tas
A bristlelike part or appendage, such as the awn of grains and grasses or the process near the tip of the antenna of certain flies.
Origin of aristaLatin, beard of grain, spike.