traveling salesman
travelling salesman
commercial traveler
commercial traveller
roadman
bagman

His father worked for a bank, and was later a commercial traveller.

I am a commercial traveller, you know, and go about the country a good deal.

It might have been a couple of commercial travellers driving away.

Well, he called himself a commercial traveller and market research expert.

"Good morning, nice day" - commercial traveller about to offer some sales line.

These would be commercial travellers, wanting to write up their order books in peace.

For two or three days I stayed there in a commercial travellers' hotel.

And there were several commercial travellers in the cafe up to a late hour.

He became a commercial traveller and lecturer on his return.

And did you know that your dear Andrew is a commercial traveller?