boaty

From boat +‎ -y.

boaty (comparative more boaty, superlative most boaty)

1. (colloquial) Relating to boats.
   • 1950 December, Motor Boating, volume 86, number 6, page 20:

     We compromised by calling it a geyesmeyer, a word coined by a boaty friend of ours, and used quite profusely by him to describe anything from a bilge-pump to a rhinoceros.

   • 2006, Lucy Jane Bledsoe, The Ice Cave:

     Passengers, they meant, not hands. But I found the mistake charming in a boaty kind of way. They were the real thing, these sailors, with salty New England accents and what might have been called coarse manners in a nineteenth-century novel.

From French boîte.

boaty

1. carton