- tramcar, tram - a four-wheeled wagon that runs on tracks in a mine; "a tramcar carries coal out of a coal mine"
--1 is a kind of wagon, waggon
- streetcar, tram, tramcar, trolley, trolley car - a wheeled vehicle that runs on rails and is propelled by electricity; "`tram' and `tramcar' are British terms"
--2 is a kind of self-propelled vehicle
--2 is a part of trolley line
--2 has particulars: horsecar