What's the difference between pinery and piney?

Pinery

Definition:

• (n.) A pine forest; a grove of pines.
• (n.) A hothouse in which pineapples are grown.

Example Sentences:

Piney

Definition:

• (a.) See Piny.
• (a.) A term used in designating an East Indian tree (the Vateria Indica or piney tree, of the order Dipterocarpeae, which grows in Malabar, etc.) or its products.

Example Sentences:

• (1) Piney Woods miniature swine, when injected with Mycoplasma hyorhinis, develop an acute arthritis.