verb
plies; plied; plying
formal
[+ obj] to work at (a job, activity, etc.)
b old-fashioned :to use (something, such as a tool) with care and skill
always followed by an adverb or preposition of a bus, ship, airplane, etc. :to go along the same route regularly :to travel on a particular road, way, etc., regularly [no obj]
ply for hire/business/trade
Brit :to try to get customers or business
ply with
[phrasal verb]
ply (someone) with (something) :to offer or give (something) to (someone) repeatedly or constantly
noun
plural plies
[count] :one of the layers, folds, or strands that make something (such as yarn or plywood)
usually used in combination