Let me just clear the air

Synecdoche - [si-NEK-duh-kee]

- A term denoting a part of something is used to refer to the whole thing (Pars pro toto), or
- A term denoting a thing (a "whole") is used to refer to part of it (Totum pro parte), or
- A term denoting a specific class of thing is used to refer to a larger, more general class, or
- A term denoting a general class of thing is used to refer to a smaller, more specific class, or
- A term denoting a material is used to refer to an object composed of that material.

[Wikipedia]

Not to be confused with Schenectady, a city in New York State.