noun
spiker (volleyball)
Refers specifically to the volleyball position or player who spikes the ball. Used in sports contexts.
彼はチームのエーススパイカーだ。
He is the team's ace spiker.
スパイカーが強烈なスパイクを決めた。
The spiker landed a powerful spike.
アタッカー is a broader term for an attacker in volleyball, while スパイカー specifically refers to a player who spikes the ball.
Borrowed from English 'spiker', referring to a volleyball player who spikes.