0 past simple and past participle of ply
1 to sell or to work regularly at something, especially at a job that involves selling things:
2 When a boat, train, bus, etc. plies a particular route, it makes that journey regularly:
The right to fish for a livelihood is almost a civic right in terms of the people who have plied the seas for centuries.
Rabbits are sup plied to the full value of the ration meat not drawn.
If he really thinks that the only place where this trade is plied is on the streets, he has a great deal to learn.
He raised his family and plied his honourable trade till the day he died.
I have, sup plied, not one case, but several eases.
For hundreds of years its mariners and fishermen have plied the seas, risking life and limb.
Swanage pier was in its heyday about 70 or 80 years ago when a large number of paddle steamers plied up and down the coast.
I believe 1,000 omnibuses plied on that route on that occasion and got the people there.