Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
n. pl. a·ris·tae (-tē) 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.
[Latin, beard of grain, spike.]
a·ris′tate (-tāt) adj.
n, pl -tae (-tiː)
1. (Botany) a stiff bristle such as the awn of some grasses and cereals
2. (Zoology) a bristle-like appendage on the antennae of some insects
[C17: from Latin: ear of corn, fishbone]
n., pl. -tae (-tē).
1. a bristlelike appendage of the spikelets of grains or grasses.
2. a prominent bristle on the antenna of some dipterous insects.
[1685–95; < Latin: awn, beard or ear of grain]