- runby
- \\ ̷ ̷ˌˈrənˌbī\ noun
(plural runbys \\-īz\)
Etymology: from run by, v.1. : the clearance space between the top of the car frame and the lowest portion of the overhead work in a hoistway or elevator shaft2. : an extra piece of track to permit a train to back past a crossover without using it
Useful english dictionary. 2012.