Definition of "boater" [boater]

• Nautical One that drives or rides in a boat, especially a pleasure craft. (noun)
• A stiff straw hat with a flat crown. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The boater is the first to be sanctioned by the Tahoe Regional Planning Agency."
• "Hermansen said the boater is the same fisherman who claimed to have found Ross."
• "All this must have taken up the most of twenty minutes, yet after getting as far as Mr. Shylock's I remembered that I required what one's hatter (and no one else) calls a "boater," and back I went to order one in addition to the cap."