What is the meaning of Netty?

Neat, well-groomed, natty.

Netted: made of or employing a net.

Netlike.

An outhouse: an outbuilding used as a lavatory.

Any other place or fixture used for urination and defecation: a lavatory; a toilet.

" netty, adj.¹" in the Oxford English Dictionary (2003), Oxford: Oxford University Press.

"netty, adj.²" in the Oxford English Dictionary (2003), Oxford: Oxford University Press.

"netty, n.", in the Oxford English Dictionary (2003), Oxford: Oxford University Press.

Source: wiktionary.org