Definition of osetra
: a golden or brownish caviar from a sturgeon (as Acipenser gueldenstaedtii of the Caspian Sea) with roe somewhat smaller than the beluga and having a usually nutty flavor; also : the fish — compare sevruga
Origin and Etymology of osetra
modification of Russian osëtr sturgeon
First Known Use: 1753
Seen and Heard
What made you want to look up osetra? Please tell us where you read or heard it (including the quote, if possible).