noun🔗Shareइकिनोडर्मAn animal of the phylum Echinodermata, comprising radially symmetric, spiny-skinned marine animals including seastars, sea urchins, sea cucumbers, crinoids, and sand dollars."While visiting the aquarium, my daughter learned that a starfish is an echinoderm with five arms and a spiny surface. "एक्वेरियम देखने के दौरान, मेरी बेटी ने सीखा कि एक स्टारफिश एक इकिनोडर्म है जिसके पाँच हाथ और एक काँटेदार सतह होती है।animalbiologyoceannaturescienceChat with AIVocabulary GamePractice Reading