noun-modifying (irregular)
Prenominal use meaning 'second' in order or rank, as in セカンドアルバム (second album) or セカンドオピニオン (second opinion).
彼のセカンドアルバムはとても人気がある。
His second album is very popular.
second base; second baseman
Baseball term for the base or the player position.
彼はセカンドを守っている。
He is playing second base.
second gear
Refers to the second gear in a vehicle.
坂道ではセカンドに入れたほうがいい。
It's better to shift into second gear on a slope.
Unit of time; often used in contexts like stopwatches or countdowns. The more common word is 秒 (びょう), but セカンド appears in loanword-heavy contexts.
See also: セコンド
タイムは10セカンドを切った。
The time went under 10 seconds.
second (boxing assistant); cornerman
In boxing or combat sports, the person who assists the fighter between rounds.
See also: セコンド
セカンドは選手に水を渡した。
The cornerman handed water to the fighter.
He is playing second base this season.
I shifted into second gear on the hill.
He served as the former champion's cornerman.
second source