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ora1

[awr-uh, ohr-uh]
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noun
  1. plural of os2.

ora2

[awr-uh, ohr-uh]
noun, plural o·ras, o·rae [awr-ee, ohr-ee] /ˈɔr i, ˈoʊr i/.
  1. a money of account of Anglo-Saxon England, introduced by the Danes and equal to about two shillings.

Origin of ora2

before 950; < Old English ōra < Old Norse plural aurar monetary unit < Latin aureus aureus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for orae

ora

noun
  1. the plural of os 2
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

orae in Medicine

ora

(ôrə)
n. pl. o•rae (ôrē)
  1. An edge or margin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.