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A long, narrow, runnerless sled constructed of thin boards curled upward at the front end.
intr.v. to·bog·ganed, to·bog·gan·ing, to·bog·gans
1. To coast, ride, or travel on a toboggan.
2. Slang To decline or fall rapidly: His good fortune has tobogganed.
[Canadian French tobagan, from Mi'kmaq topaghan.]
to·bog′gan·er, to·bog′gan·ist n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.