Definition of post-rock in English:

post-rock

adjective

Music
  • Markedly different from, or occurring after, traditional rock music; characteristic of, relating to, or designating post-rock.

noun

Music
  • Any type of popular music composed or performed in a style markedly different from (and frequently representing a conscious reaction to) that of traditional rock music; (specifically in the mid 1990s) a type of experimental music combining a diverse range of influences, especially from electronic and ambient music and lo-fi.

Origin

1960s; earliest use found in Time. From post- + rock.

Pronunciation

post-rock

/ˌpəʊs(t)ˈrɒk/