本ほん鯖さばMeanings1nounchub mackerelRefers specifically to the chub mackerel (Scomber japonicus), often contrasted with 真鯖 (masaba) in culinary or fishing contexts.See also: 真鯖本ほん鯖さばは脂あぶらがのっていて美味おいしい。Chub mackerel is fatty and delicious.