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arista

[uh-ris-tuh] /əˈrɪs tə/
noun, plural aristae
[uh-ris-tee] /əˈrɪs ti/ (Show IPA)
1.
Botany. a bristlelike appendage of the spikelets of grains or grasses; an awn.
2.
Entomology. a prominent bristle on the antenna of some dipterous insects.
Origin
1685-1695
1685-95; < Latin: awn, beard or ear of grain; cf. arête
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for aristae

arista

/əˈrɪstə/
noun (pl) -tae (-tiː)
1.
a stiff bristle such as the awn of some grasses and cereals
2.
a bristle-like appendage on the antennae of some insects
Derived Forms
aristate, adjective
Word Origin
C17: from Latin: ear of corn, fishbone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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