Someone who travels for travel's sake, with or without objective; someone who spends most time "on the road".

(US) Alternative spelling of time-traveller

(physics) a wave that is not bounded by a given space, but can propagate freely / (physics) a wave in which the vibration is in the direction of propagation; a longitudinal wave

(Britain, Canada) A preprinted cheque for a fixed amount, often in a foreign currency, issued by a bank that may be used instead of cash; may usually be replaced if lost or stolen.

A company that arranges travel and accommodation for travellers.

expenditure incurred by an employee on account of a journey on official business

Alternative spelling of time travel

(intransitive) To travel through time. / (slang) To sleep.

One who travels together with another. / (US) One who sympathizes with the aims or beliefs of an organization without belonging to it; most often applied to a Communist sympathizer.

A man who travels, often within a certain territory, soliciting orders or selling goods.