방사형으로 뻗은 5개 이상의 팔과 이동 및 섭식을 위한 관족을 가진 극피동물.
A marine echinoderm with five or more radiating arms and tube feet used for movement and feeding.
예문:
"The diver spotted a bright red starfish clinging to a rock on the ocean floor."
"Starfish use their powerful tube feet to pry open the shells of clams and mussels."
"Most starfish species have five arms, but some can have as many as forty."