The term 'shoreline curve' is a geographical feature that describes the shape of a coastline. It is also known as a BIGHT, which is a five-letter word that can be used to solve a crossword puzzle. A shoreline curve is a curved line that forms when waves erode the shoreline, creating a crescent-shaped indentation in the coastline. This type of feature is often found in areas with strong wave action, such as along the ocean or a large lake.