| 释义 |
Definition of lock paddle in English: lock paddlenoun A sluice in a lock gate by means of which the lock chamber is filled with, or emptied of water.
Origin Mid 19th century; earliest use found in George W. Francis (1800–1865), botanist. Definition of lock paddle in US English: lock paddlenoun A sluice in a lock gate by means of which the lock chamber is filled with, or emptied of water.
Origin Mid 19th century; earliest use found in George W. Francis (1800–1865), botanist. |