1. a polytechnic school or institute
Usage: informal; British
2. a polyhedron or polygon
Usage: mathematics; informal

1. having many parts or aspects; multiple
Usage: informal

Examples

• She studied engineering at the local poly.
• The poly offered excellent technical courses.
• Draw a poly with six sides.
• The math teacher explained different types of polys.
• This is a poly approach to solving the problem.
• The poly structure has several components.
• He prefers poly solutions over simple ones.