- any echinoderm of the class Asteroidea, such as Asterias rubens, typically having a flattened body covered with a flexible test and five arms radiating from a central disc
WordReference Random House Learner's Dictionary of American English © 2026
star•fish /ˈstɑrˌfɪʃ/USA pronunciation
n. [countable], pl. (esp. when thought of as a group) -fish, (esp. for kinds or species) -fish•es.
WordReference Random House Unabridged Dictionary of American English © 2026- Invertebratesa sea creature having the shape of a star, with five arms coming out from a central disk.
star•fish
(stär′fish′),USA pronunciation n., pl. (esp. collectively) -fish, (esp. referring to two or more kinds or species) -fish•es.
- Invertebratesany echinoderm of the class Asteroidea, having the body radially arranged, usually in the form of a star, with five or more rays or arms radiating from a central disk;
asteroid.
- star + fish 1530–40
Collins Concise English Dictionary © HarperCollins Publishers::
starfish /ˈstɑːˌfɪʃ/ n ( pl -fish, -fishes)
'starfish' also found in these entries (note: many are not synonyms or translations):
actinoid
- asteroid
- echinoderm
- podium
- ray
- Asteroidea
- carrion flower
- crown of thorns
- crown-of-thorns starfish
- leather star
- pedicellaria
- radial
- radial symmetry
- Radiata
- sea star
- starfish flower
- sun star