1. Bottarga definition is - the dried, salted, pressed roe of various fish and especially the gray mullet and bluefin tuna

2. Bottarga, a specialty of southern Italy, is the roe of gray mullet or tuna that has been salted, pressed, and air-dried

3. Bottarga is often called the poor man's caviar, Bottarga is the Italian word for a dense cured fish roe made from tuna, gray mullet or swordfish.