a·ris·ta 
(ə-rĭstə)
(ə-rĭstə)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·ristate (-tāt) adj.
- echinodermatous
- echinoid
- echinus
- echo
- Echo
- echocardiogram
- echocardiograph
- echocardiographic
- echocardiography
- echo chamber
- echo check
- echoencephalogram
- echoencephalograph
- echoencephalographic
- echoencephalography
- echoer
- echoey
- echogram
- echography
- echoic
- echolalia
- echolalic
- echolocate
- echolocation
- echo-planar imaging