n.
A long, narrow, somewhat rounded board, usually having one or two fins, used for surfing.
intr.v., -boards, -board·ing, -board·ed.
To engage in the sport of surfing.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.