Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a unit of linear measure of lumber, equal to a board one foot square and one inch thick
Used by arrangement with John Wiley & Sons, Inc.
noun pl. board feet board feet Abbr. bd. ft. or BFThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A unit of cubic measure for lumber, equal to one foot square by one inch thick.