Meeting Place
Noun and する verb
まちあい
合図をしたら、待合でスクワットを始めてください。
Start squatting in the meeting place on my signal.
待合する場所がさむすぎて、ぼうこうえんになりました。
The waiting room was so cold that I got a bladder infection.
病院の待合でばったり久しぶりに友人に会って、昔話に花がさきました。
I ran into a friend from a long time ago in the waiting room of the hospital and we chatted about the old days.
The place you wait to join other people is a waiting room or a meeting place.
The readings for this word are both kun'yomi readings, but it's like the hiragana that normally sticks out is stuffed in. 待ち → 待, 合い → 合 and is pronounced the same too. I know it's confusing, but once you get it down you'll never forget!