Canadian Oxford Dictionary:
traveller n. (also esp. US traveler) 1 a person who travels or is travelling. 2 Brit. = COMMERCIAL TRAVELLER. 3. Brit. a gypsy [...]
The Macquarie Dictionary:
noun 1. someone or something that travels.
2. someone who travels or has travelled in distant places or foreign lands.
3. a travelling salesperson; a commercial traveller.
Also, US, traveler.http://www.chambersharrap.co.uk/chambers/feat...
traveller noun 1 someone who travels. 2 old use a commercial traveller. 3 Brit colloq a Gypsy. 4 short for New Age traveller.http://www.bartleby.com/61/0/T0330000.html
The American Heritage® Dictionary of the English Language: Fourth Edition
VARIANT FORMS: or trav·el·ler
NOUN: 1. One who travels or has traveled, as to distant places. 2. often traveller Chiefly British a. A traveling salesperson. b. A member of any of various groups of traditionally itinerate people living especially in Scotland and Ireland.
"traveler." Webster's Third New International Dictionary, Unabridged. Merriam-Webster, 2002. http://unabridged.merriam-webster.com
(14 Mar. 2007).
Main Entry: trav·el·er
Variant(s): or trav·el·ler
1 : one that travels : as a : one that goes on a trip or journey ; specifically : one that travels to distant or unfamiliar places b dialect Britain : TRAMP c : TRAVELING SALESMAN
2 : something that travels fast or well (as a vehicle or draft animal)