What is another word for lock-gate?
Pronunciation: [lˈɒkɡˈe͡ɪt] (IPA) 
Lock-gate is a term used to refer to the section of a lock that can be closed or opened to control water flow. There are various synonyms for the term lock-gate that can be used interchangeably. Some of these synonyms include floodgate, sluice gate, weir gate, stop gate, and canal gate. Floodgate is mostly used to refer to a gate that is used to stop or regulate floodwater. On the other hand, sluice gate refers to a gate that can be opened or closed to regulate water flow in a channel. Weir gate is a term used to refer to a gate that can be used to control flow over a weir. Stop gate and canal gate are mostly used to refer to gates used in canals to control water flow.
