[uh-reg-uh-noh, aw-reg]
an aromatic herb, Origanum vulgare, of the mint family, having leaves used as seasoning in cooking.
Also called pot marjoram.
Compare marjoram.

1765–75; < American Spanish orégano, Spanish: wild marjoram < Latin orīganum. See origan

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World English Dictionary
oregano (ˌɒrɪˈɡɑːnəʊ)
1.  a Mediterranean variety of wild marjoram (Origanum vulgare), with pungent leaves
2.  the dried powdered leaves of this plant, used to season food
[C18: American Spanish, from Spanish, from Latin orīganum, from Greek origanon an aromatic herb, perhaps marjoram]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1771, from Sp./Sp. Amer. oregano, from L. origanus, origanum, from Gk. oreiganon, from oros "mountain" (see oread) + ganos "brightness, ornament." The older form of the word in Eng. was the L.-derived origanum (c.1265), also origan (c.1420). In Europe, the dried leaves of
wild marjoram; in America, a different, and more pungent, shrub.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

OREGANO definition

["On the Design and Specification of the Programming Language OREGANO", D.M. Berry. UCLA-ENG-7388, 1973].

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Oregano seems to inhibit egg laying and larval developmental probably because
  the oregano plant has to fight off bugs too.
Add chicken broth, drained and rinsed canned white beans, and chopped fresh
  oregano and parsley.
If you have an herb garden, fresh oregano makes a great garnish.
Put oregano in the pizza sauce, never in the marinara.
Image for oregano
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