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Noun: sargassum  saa(r)'ga-sum
  1. Brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea
    - gulfweed, sargasso, Sargassum bacciferum

Derived forms: sargassums

Type of: brown algae

Part of: genus Sargassum

Encyclopedia: Sargassum