poly

1
[ pol-ee ]
/ ˈpɒl i /

noun, plural pol·ies.

Informal. polyester(def 2): a blend of poly and cotton.
a fabric or garment made of polyester.

adjective

made of or containing polyester: a poly swimsuit.

Origin of poly

1
by shortening

British Dictionary definitions for polies'

poly
/ (ˈpɒlɪ) /

noun plural polys

informal short for polytechnic

adjective

informal short for polyester
informal short for polythene