noun
mackerel; chub mackerel
Refers to the fish, especially Scomber japonicus. Commonly written in kana.
今夜の夕食はさばの味噌煮だ。
Tonight's dinner is mackerel simmered in miso.
noun
Internet slang derived from the reading さば, which sounds like サーバー. Used mainly in online gaming communities.
See also: サーバー
このゲームは鯖が重くてラグい。
This game's server is heavy and laggy.
Standard loanword for 'server'. 鯖 is a playful internet slang homophone used mainly in gaming contexts.
The fish sense is native Japanese. The internet slang sense is a homophonic pun on サーバー (server), using the kanji 鯖 for its reading さば.