noun
capes and bays; coastal indentation
Rare geographical term referring to the irregular outline of a coastline with alternating capes and bays. Not used in everyday conversation; mainly found in technical or descriptive geographical contexts.
この地域の海岸線は岬湾に富んでいる。
The coastline of this region is rich in capes and bays.
Compound of 岬 (cape, headland) and 湾 (bay, inlet). The exact historical derivation is uncertain; the term is a straightforward Sino-Japanese compound describing coastal geography.