speeder noun. ['spi:dǝ] ME.
[from SPEED verb + -ER¹.]
1. A person who aids or assists, a helper. arch. ME.

2. A person who prospers or is successful. L16-L17.

3. A device or contrivance for quickening or regulating the speed of machinery. Also, a kind of machine for roving cotton. M19.

4. A person who drives etc. at high speed; spec. a person who exceeds the speed limit in a vehicle; a fast car, horse, etc. L19.

5. A small vehicle running on railway tracks used for line maintenance etc., orig. manually propelled. N. Amer. E20.

[TahlilGaran] English Dictionary ▲