noun, plural a·ris·tae [uh-ris-tee] /əˈrɪs ti/.
  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 of arista

1685–95; < Latin: awn, beard or ear of grain; cf. arête


  1. Ma·ria·no [mah-ryah-naw] /mɑˈryɑ nɔ/, 1802–55, Mexican general: president of Mexico 1851–53. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for arista


noun plural -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 Formsaristate, adjective

Word Origin for arista

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