boat cloak

boat cloak (plural boat cloaks)

1. A large cloak worn at sea, especially a navy blue cloak worn as part of formal naval dress. [from 18th c.]
   • 1808–10, William Hickey, Memoirs of a Georgian Rake, Folio Society 1995, p. 90:

     Captain Waddell threw aside a large boat cloak which he had thrown over his own and my shoulders to protect us both from the spray of the sea and intense heat of the sun, and also took off his gloves.

   • 1874, Marcus Clarke, For the Term of His Natural Life, Penguin, published 2009, page 421:

     Frere observed with some astonishment that the chaplain wrapped himself in a boat cloak that lay in the stern sheets.