the sport of coasting or competing in races on a bobsled.
Origin of bobsledding
verb (used without object), bob·sled·ded, bob·sled·ding.
to ride on a bobsled.
Origin of bobsled
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for bobsledding
"I used to do a lot of bobsledding myself," said the professor, who was well liked by nearly all the cadets.The Rover Boys on a Hunt|Arthur M. Winfield (Edward Stratemeyer)
Online Etymology Dictionary, © 2010 Douglas Harper