See under trolley(def 4).
Definition for underground trolley (2 of 2)
[ trol-ee ]
/ ˈtrɒl i /
noun, plural trol·leys.
a pulley or truck traveling on an overhead track and serving to support and move a suspended object.
a grooved metallic wheel or pulley carried on the end of a pole (trolley pole) by an electric car or locomotive, and held in contact with an overhead conductor, usually a suspended wire (trolley wire), from which it collects the current for the propulsion of the car or locomotive.
any of various devices for collecting current for such a purpose, as a pantograph, or a bowlike structure (bow trolley) sliding along an overhead wire, or a device (underground trolley) for taking current from the underground wire or conductor used by some electric railways.
a small truck or car operated on a track, as in a mine or factory.
a serving cart, as one used to serve desserts.
Chiefly British. any of various low carts or vehicles, as a railway handcar or costermonger's cart.
verb (used with or without object), trol·leyed, trol·ley·ing.
to convey or go by trolley.
Origin of trolley
First recorded in 1815–25; orig. dial.; apparently akin to troll1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for underground trolley
/ (ˈtrɒlɪ) /
British a small table on casters used for conveying food, drink, etc
British a wheeled cart or stand pushed by hand and used for moving heavy items, such as shopping in a supermarket or luggage at a railway station
British (in a hospital) a bed mounted on casters and used for moving patients who are unconscious, immobilized, etc
British See trolleybus
US and Canadian See trolley car
a device that collects the current from an overhead wire (trolley wire), third rail, etc, to drive the motor of an electric vehicle
a pulley or truck that travels along an overhead wire in order to support a suspended load
mainly British a low truck running on rails, used in factories, mines, etc, and on railways
a truck, cage, or basket suspended from an overhead track or cable for carrying loads in a mine, quarry, etc
off one's trolley slang
- mentally confused or disorganized
(tr) to transport (a person or object) on a trolley
See also trolleys
Word Origin for trolley
C19: probably from troll 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Idioms and Phrases with underground trolley
see off one's head (trolley).
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.