A low wall or sturdy timber barrier built out into the sea from a beach to check erosion and drifting.
More example sentences
- Four new groynes - timber planking walls running down the beach towards the water - will help trap sand and give greater protection to the base of the wall.
- Visit any coastal area and you will see defence features such as groynes, sea walls and banks.
- We're blowing all this money to build houses and ruin habitat with so-called beach renourishment and jetties, groins and seawalls.
Definition of groyne in:
- The US English dictionary