Definition of sea anemone in US English:

sea anemone


  • A sedentary marine coelenterate with a columnar body which bears a ring of stinging tentacles around the mouth.

    Order Actiniaria, class Anthozoa

    • ‘Our last day together we took a trip to the coast at low tide and saw sea anemones, barnacles, and mussels in the tide pools.’
    • ‘Scattered about were sea anemones, reddish lumps in the daylight, but, I was told, when they opened at night their massed tentacles would be almost scarlet.’
    • ‘There were sea anemones, lots of colorful starfish, and even some sea urchins.’


sea anemone

/si əˈnɛməni//sē əˈnemənē/