- a member of a people living in scattered communities in the Balkans.
- the Romanian dialect of these people.
- a member of a people scattered throughout SE Europe in the early Middle Ages, speaking a Romanic dialect
- of or relating to Vlachs or their dialect
“member of a Latin-speaking race of the Balkans, a Walachian or Rumanian,” 1841, from Bulgarian vlakh or Serbian vlah, from Old Church Slavonic vlakhu, a Slavic adoptation of Germanic *walh (cf. Old English wealh) “foreigner,” especially applied to Celts and Latins (see Welsh).