cav ‧ i ‧ ar BrE AmE , caviare /ˈkæviɑː $ -ɑːr/ noun [uncountable]
[ Date: 1500-1600 ; Origin: Early Italian caviari , from Turkish havyar , from Medieval Greek kabiari ]
the preserved eggs of various large fish, eaten as a special very expensive food:
caviare and champagne