What is the meaning of Shanty?

A roughly-built hut or cabin.

A rudimentary or improvised dwelling, especially one not legally owned.

An unlicensed pub.

Living in shanties; poor, ill-mannered and violent.

To inhabit a shanty.

A rhythmic work song, traditionally sung by sailors or stevedores, functioning to set the pace for hauling, turning a capstan, loading, or other such activities.

Jaunty; showy.

a shanty, a sailing song

Source: wiktionary.org