AUTOMOBILE n.
bile vehicle or mechanism; esp., a self-propelled vehicle suitable for use on a street or roadway. Automobiles are usually propelled by internal combustion engines (using volatile inflammable liquids, as gasoline or petrol, alcohol, naphtha, etc.), steam engines, or electric motors. The power of the driving motor varie…
CONCRETE n.
re of gravel, pebbles, or broken stone with cement or with tar, etc., used for sidewalks, roadways, foundations, etc., and esp. for submarine structures.
PILE n.
ally placed palewise, with the broadest end uppermost. Pile bridge, a bridge of which the roadway is supported on piles. -- Pile cap, a beam resting upon and connecting the heads of piles. -- Pile driver, or Pile engine, an apparatus for driving down piles, consisting usually of a high frame, with suitable appliances…
VELOCIPEDE n.
he feet of the rider. Originally it was propelled by striking the tips of the toes on the roadway, but commonly now by the action of the feet on a pedal or pedals connected with the axle of one or more of the wheels, and causing their revolution. They are made in many forms, with two, three, or four wheels. See Bicycle…