speeder

[ spee-der ]
/ ˈspi dər /

noun

a person or thing that speeds.
a driver who exceeds the legal speed limit.
a small self-propelled railroad car powered by a gasoline engine and used by section hands.

Origin of speeder

Middle English word dating back to 1350–1400; see origin at speed, -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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