n. pl. lot·tos
1. A game of chance similar to bingo.
2. A lottery, typically with an accumulating jackpot, in which participants play numbers of their choice in a random drawing.
[Italian and French loto, both from French lot, lot, from Old French, from Frankish *lot.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.