Definition of sea potato in English:

sea potato

noun

  • A yellowish-brown European heart urchin.

    • ‘Some organisms including cockles, lugworms and sea potatoes have been washed up onto Sligo beaches.’
    • ‘On the rippled sand, peppered with worm casts, you may find spooters or razor shells and small sea urchins or sea potatoes.’
    • ‘Last time I found a sea potato here, a kind of hairy sea-urchin that lives on sand.’
    • ‘Starfish, sea potato and calcified red seaweed provide colour in Malta.’