Definition of Welsh British in US English:

Welsh British

noun

historical
  • Historical. With the: Welsh Britons, considered collectively; = "Welsh".

adjective

historical
  • Of or relating to the Welsh Britons or their language.

Origin

Early 17th century (in an earlier sense). From Welsh + British.

Pronunciation

Welsh British

/ˌwɛlʃ ˈbrɪtɪʃ/