KOA

Kampgrounds of America, a franchise chain of RV parks in North America that offers camping facilities to vacationers and overnighters.
Found on https://www.goodsamcamping.com/rvresources/RvGlossary.aspx

Koa

Koa is a name for boys and girls. The name Koa is most commonly given to American boys. Although in most countries Koa is a name given to boys. In the United States, 1 out of 11 Koa`s are girls.
Found on https://www.pregnology.com/names/mixed/Koa

KOA

[AM] KOA (850 AM, `NewsRadio 850 KOA`) is a clear channel (referring to FCC radio class, not the previous name of its current owner), news/talk radio station serving the Denver-Boulder and Colorado Springs, Colorado markets. It is owned by iHeartMedia, the former Clear Channel Communications, and is nicknamed `the Blowtorch of the West` for...
Found on http://en.wikipedia.org/wiki/KOA_(AM)

Koa

Acacia koa; a hardwood endemic to the Hawaiian Islands. Commonly used to construct furniture and musical instruments.
Found on http://www.furniturecaretips.com/glossary.htm

KOA

Denver, Colorado
Found on http://www.translationdirectory.com/glossaries/glossary122.htm
No exact match found