口

(1) 手綱や、手綱のようなもので制御する、あるいは指揮する(control and direct with or as if by reins; "rein a horse")(control and direct with or as if by reins)

⇒馬を手綱で引く(control and direct with or as if by reins)

(2) 手綱を引くことにより、あるいはそうであるかのようにして、自身の馬または自分を止めるあるいは減速させる(stop or slow up one's horse or oneself by or as if by pulling the reins; "They reined in in front of the post office")(stop or slow up one's horse or oneself by or as if by pulling the reins)

⇒彼らは、郵便局の前で手綱をひいて馬をとめた(stop or slow up one's horse or oneself by or as if by pulling the reins)

(3) 手綱を引いたかのように止まる、または抑制する(stop or check by or as if by a pull at the reins; "He reined in his horses in front of the post office")(stop or check by or as if by a pull at the reins)

⇒彼は、郵便局の前で彼の馬を止めた(stop or check by or as if by a pull at the reins)