rare. [f. BOAT v. + -ER1.] One who rows or manages a boat: a. a canal-boat man; b. one who goes a boating for pleasure.
1605. Ayr Session Records, 14 Jan. Johne Boyd, boater and his wyfe.
1883. Athenæum, 22 Dec., 822/1. A Thames-side subject, with boaters loitering at the bank.
1884. G. Smith, in Pall Mall Gaz., 8 April, 11/2. Interfering with the boaters and their earnings.