Slang for a pipe used to smoke cannabis. 

“I bought a killer new glass piece the other day.”

“I brought the weed but forgot my piece!” 

What is a piece?

“Piece” is a generic term for any pipe used to smoke cannabis. They come in all shapes and sized and are commonly made of glass, metal, wood, or other materials. 

Pipes are easy to find and can be purchased online, at a cannabis shop, at a specialty head shop, and sometimes at a corner store.