from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The number of passengers or the amount of cargo that a boat can hold.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A large quantity.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the amount of cargo that can be held by a boat or ship or a freight car
From boat + load. Notionally, because the commodity in question might have constituted the entire load of a cargo ship or boat. (Wiktionary)