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sea moss

Definitions of sea moss
  1. noun
    sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
    synonyms: bryozoan, moss animal, polyzoan, sea mat
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    type of:
    invertebrate
    any animal lacking a backbone or notochord; the term is not used as a scientific classification
  2. noun
    any of various red algae having graceful rose to purple fronds (e.g. dulse or carrageen)
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    type of:
    red algae
    marine algae in which the chlorophyll is masked by a red or purplish pigment; source of agar and carrageenan
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