- a wheeled carriage, basket, etc. that runs suspended from an overhead track
- an apparatus, as a grooved wheel at the end of a pole, for transmitting electric current from an overhead wire to the motor of a streetcar, etc.
- trolley car
- Chiefly Brit. any of various wheeled vehicles or carts, esp. a cart pushed by hand
Origin of trolleyfrom East Anglian dialect, dialectal from troll
intransitive verb-·leyed, -·ley·ing
off one's trolley