IN いん
in

Noun

1. in (of a ball; in tennis, etc.); inside the line

Sports
Usually Written in Kana
Related to アウト
打球 だきゅうがインかアウトかを判定 はんていするのは むずかしいことが おうい。
dakyūga inka autokao hantē suru nowa muzukashii kotoga ōi.
It is often difficult to see if a ball is in or out.
Pre-noun Modifier

2. in; inside; internal; interior

Usually Written in Kana
Related to アウト
Expression

3. enter here; enter; entrance; (parking) entry

Noun

4. back nine

Golf
Usually Written in Kana
Related to アウト
Noun

5. inside lane (track cycling, speed skating, etc.)

Sports
Noun

6. check-in time

Abbreviation
Related to チェックイン