ply
noun.
one of the strands twisted together to make yarn or rope or thread; often used in combination
three-ply cord|four-ply yarn
noun.
(usually in combinations) one of several layers of cloth or paper or wood as in plywood
verb.
give what is desired or needed, especially support, food or sustenance
The hostess provided lunch for all the guests
Synonym: cater, provide, supply
verb.
apply oneself diligently
Ply one's trade
verb.
travel a route regularly
Ships ply the waters near the coast
Synonym: run
verb.
join together as by twisting, weaving, or molding
ply fabric
verb.
wield vigorously
ply an axe
verb.
use diligently
ply your wits!