Fiddle

Tig: What’s a fiddle?

Me: I dunno, a small little thing on a boat for guys like you to twiddle with when you are bored?

Fiddle: a small rail on boat surfaces like tables and counters. Fiddles help to keep objects from sliding off when the vessel rolls and pitches.

Salty word of the day is brought to you by the letter RRRRRRRRRRR!