1. Short title This Act may be cited as the Longshore and Harbor Workers’ Compensation Clarification Act of 2017 . 2. Definition of Recreational vessel (a) Definition Section 2 of the Longshore and Harbor Workers' Compensation Act ( 33 U.S.C. 902 ) is amended— (1) by redesignating paragraph (22) as paragraph (23); and (2) by inserting after paragraph (21) the following: (22) (A) The term recreational vessel means a vessel— (i) being manufactured or operated primarily for pleasure