cushion star
noun
1- a small shallow-water starfish with a broad body and very short blunt arms垫海星, 小海星。亦称STARLET.
1.1
- Asterina and related genera, class Asteroidea, in particular A. gibbosa of the NE Atlantic.海星属和亲缘属, 海星纲, 尤指大西洋东北部偏肿海星。