プログレッシブ和英中辞典(第4版)の解説
ほけつ【補欠】
〔不足部分を補うこと〕supplementing, filling a vacancy；〔人〕a substitute，《米》 an alternate
彼は高校の補欠合格者の中に入っていた
He was placed on the waiting list by the high school admissions office.
彼はジョンの補欠で試合に出た
He played in the game 「as John's substitute [in place of John].
今年は５名が補欠入学した
This year five students from the waiting list were admitted to our school to fill vacancies.
補欠選手
a substitute (player), a replacement for a regular player，《米》 an alternate；〔控えの選手〕a benchwarmer
補欠選挙
⇒補欠選挙
補欠募集
recruiting ((students)) to fill vacancies; an invitation to apply for places left unfilled
補欠募集する invite applications to fill vacancies