'Bumboat' definitions:

Definition of 'bumboat'

From: WordNet
noun
A small boat that ferries supplies and commodities for sale to a larger ship at anchor

Definition of 'Bumboat'

From: GCIDE
  • Bumboat \Bum"boat`\, n. [From bum the buttocks, on account of its clumsy form; or fr. D. bun a box for holding fish in a boat.] (Naut.) A clumsy boat, used for conveying provisions, fruit, etc., for sale, to vessels lying in port or off shore. [1913 Webster]