A large establishment or floating house, constructed on a raft, generally one story and sometimes two high.(noun)
The Century Dictionary (Public Domain)
Use "oyster-boat" in a sentence
"Miss Hendy, digging her spoon into the oyster-boat."
"Nor was he allowed to resume his former rank in the party, until, by a masterly piece of diplomacy, he organized an opposition oyster-boat, and a consequent competition, which soon brought Juan Sanchez to terms, and oysters to their just market-value."
"He was at the oyster-boat buying his oysters at three o'clock in the morning, wheeled them three miles, set up his board near a market, and began business."