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1. A tree (Acacia koa) in the pea family, native to Hawaii, having flowers arranged in axillary racemes and small sickle-shaped leaves.
2. The light-to-dark brown or reddish wood of this tree, used for furniture, crafts, cabinetry, and musical instruments.

[Hawaiian, from Proto-Polynesian *to'a, ironwood tree.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Plants) a Hawaiian leguminous tree, Acacia koa, yielding a hard wood
2. (Plants) the reddish wood of this tree, used esp for furniture
[C19: from Hawaiian]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkoʊ ə)

n., pl. ko•as.
1. a Hawaiian acacia, Acacia koa, of the legume family, having gray bark.
2. its hard red or golden-brown wood, used for making furniture.
[1840–50; < Hawaiian]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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You may imagine my concern (as an ex KOAS trustee of four years) when I was made aware that the man responsible for there being an observatory in the first instance has left.
The KOA Presidents Award is presented annually to campgrounds that receive high scores in customer service from their campers, and also receive top scores in KOAs own annual quality review.
The aim of this study is to compare the therapeutic effects of balneotherapy, parafango therapy, not fully maturated mud and the use of maturated mud in knee osteoarthritis (KOA)
Gary Fildes, chairman of KOAS, said: "This is a chance to find out about the most important star in the Universe as far as we are concerned - the sun."
Kampgrounds of America (KOA) facilities are usually clean, and many are "destination" parks.
There are black and white folks camped out in tents, campers, and an RV under the closed Ocean Springs-Biloxi bridge in Mississippi; there are refugees in marine-lab dorms and KOAs and a Mormon tent colony by a lake; and folks at friends' and families' homes, barns and yards, or, as a last resort, evacuation centers.
Traditionally, handline fishing was conducted within a few km of the coast at locations called "ahi koas" where yellowfin and bigeye tuna were especially available.
Since it was launched by the Kielder Partnership in April, more than1,000 people have joined public events at the spectacular new facility, which is run by the Kielder Observatory Astronomical Society (KOAS).
The Journal's Culture Club has linked up with Kielder Observatory Astronomical Society (KOAS) to stage a solar viewing session on Saturday, September 6, at the exciting new pounds 480,000 facility, pictured left, launched by the Kielder Partnership in April.
The Kielder Observatory Astronomical Society (KOAS) is staging a series of daytime star events at the pounds 400,000 Northumberland facility, which was launched by the Kielder Partnership in April.