DICT.TW Dictionary Taiwan

 lockage
 水閘的構築;使用;開閉

 Lock·age n.
 1. Materials for locks in a canal, or the works forming a lock or locks.
 2. Toll paid for passing the locks of a canal.
 3. Amount of elevation and descent made by the locks of a canal.
    The entire lock will be about fifty feet.   --De Witt Clinton.
 ◄ ►

 lockage
      n 1: a fee charged for passage through a lock in a canal or
           waterway
      2: a system of locks in a canal or waterway
      3: passage through a lock in a canal or waterway