RhymeZone: netty definitions

Definitions of netty:

adjective: (obsolete, rare) Neat, well-groomed, natty.
adjective: Netted: made of or employing a net.
adjective: Netlike.
noun: (Tyneside) An outhouse: an outbuilding used as a lavatory.
noun: (Tyneside) Any other place or fixture used for urination and defecation: a lavatory; a toilet.
noun: Alternative form of Nettie [A diminutive of the female given names Annette and Jeannette.]

(Definitions from Wiktionary)