beartrap gate

短语

词形变化

beartrap gates 复数 beartrap gates

别名

bear trap gate

释义与例句

n.
  1. 1.

    A waterflow/impoundment hydraulically-operated rising double-leaf floodgate used for weirs and dam spillways, and canals, to control waterflow across the top of the gate in the channel.

词源

From beartrap + gate. From being a gate reminiscent of the operation of a beartrap.

来源：wiktionary