What is the meaning of Honky-tonk?

A bar or nightclub that caters to Southern patrons and provides country music for entertainment.

Any cheap nightclub.

The type of music typically played in such a club.

A style of country music emphasizing traditional country instruments (e.g., guitar, steel guitar and fiddle); a rough, nasal vocal style; and tragic themes such as heartbreak, infidelity and alcoholism often associated with patrons of honky-tonks.

Source: wiktionary.org