also: りくこう
land lock; floodwall gate
Technical term for a gate in a floodwall or levee that allows passage when closed, used in flood control and coastal protection.
The land lock in this area is closed during storm surges.
Operating the floodwall gate requires training.
Alternate reading; less common than りっこう.
Mixed kanji-kana spelling; may be used when the second kanji is difficult or uncommon.
Compound of 陸 (land) and 閘 (lock/gate). The reading りっこう is a common on'yomi combination; りくこう is an alternative reading.