dead man's fingers

plural of dead-man's-fingers

/ˈdɛdˌmænz ˈfɪŋɡərz/
noun
  1. A type of seaweed or marine animal with long, finger-like parts that look like a dead person's fingers.
    • While snorkeling, we saw dead-man's-fingers swaying gently on the ocean floor.
    • The beach was covered in clumps of dead-man's-fingers after the storm.
    • The marine biologist explained that dead-man's-fingers are actually a type of soft coral.
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