As nouns the difference between groyne and headland
is that groyne is a (usually wooden) structure that projects from a coastline to prevent erosion, longshore drift etc; a breakwater while headland is a bit of coastal land that juts into the sea; cape.
groyne
English
Noun
(
wikipedia groyne)
(
en noun)
A (usually wooden) structure that projects from a coastline to prevent erosion, longshore drift etc.; a breakwater
*
headland
English
Noun
(
en noun)
A bit of coastal land that juts into the sea; cape.
The unplowed boundary of a field.
Synonyms
* (coastal land that juts into the sea) peninsula
See also
* abuttal
* portolan