bar ‧ ber ‧ shop /ˈbɑːbəʃɒp $ ˈbɑːrbərʃɑːp/ BrE AmE noun
1 . [uncountable] a style of singing popular songs with parts for four men, usually without music:
a barbershop quartet
2 . [countable] American English a shop where men’s hair is cut SYN barber’s British English