「待つ」(matsu) means to wait for someone or something. It is a transitive verb. You use the particle "を" to indicate what or who you are waiting for. This verb is fundamental for daily conversations. For example: 友達を待つ。(Tomodachi o matsu.) = To wait for a friend.

時間や人が来るまで動かずにいることです。「〜を待つ」の形で使います。例：バスを待つ。