Saba-zushi is a type of Bo-zushi (rod-shaped sushi topped with large slice of fish) with mackerel, or means Saba-no-narezushi (sushi fermented with mackerel and vegetables).
鯖寿司（さばずし）とは、サバを用いて作られる棒寿司の一種、または鯖のなれずしのこと。