also: キャンプ・イン
noun
beginning of training camp
Wasei-eigo from 'camp in'; used in sports contexts for the start of a team's training camp period.
wasei-eigo (Japanese-coined English), from camp in
プロ野球チームは来月キャンプインする。
The professional baseball team will begin training camp next month.
キャンプインを前に、選手たちは自主トレに励んでいる。
Ahead of the start of training camp, the players are working hard on their individual training.