What is another word for sea urchin?
Pronunciation: [sˈiː ˈɜːt͡ʃɪn] (IPA) 
A sea urchin is a spiny sea creature that resembles a hedgehog. This marine animal has several synonyms, including echinoid, sea hedgehog, sea egg, or even simply urchin. The word "echinoid" comes from the Greek word "echinos," which means hedgehog, and "oides," which means resembling. The term "sea hedgehog" refers to its spiky appearance, while "sea egg" comes from its spherical shape and size. Interestingly, not all urchins live in the sea; some species inhabit freshwater environments. Regardless of their location, the term "urchin" remains the most commonly used synonym for this peculiar creature.
