Bobsleds

bob;sled pronunciation: function: noun etymology: perhaps from 4bobdate: 1837 1 : a short sled usually used as one of a pair joined by a coupling2 : a large usually metal sled used in racing and equipped with two pairs of runners in tandem, a long seat for two or more people, a steering wheel, and a hand brake— bobsled intransitive verb — bob;sled;der noun