Definition of cushion star in English:

cushion star

Line breaks: cush|ion star

noun

A small shallow-water starfish with a broad body and very short blunt arms. Also called starlet.
  • Asterina and related genera, class Asteroidea, in particular A. gibbosa of the NE Atlantic
More example sentences
  • Anemones, bubble corals, soft tree corals, sea cucumbers and cushion stars harboured tiny shrimps and crabs, while seahorses lurked among algae.
  • Among the starfish we found the familiar sun stars and cushion stars encountered in Scottish waters as well as purple sun stars.
  • To help protect itself from fish and other predators, the cushion star releases huge amounts of mucus.

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