noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   sargassum; algae of the genus Sargassum. uncountable, usually
2. 2
   brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea wordnet

Synonyms

All synonyms

algaebeanbrackenclimbercreeperfern

Etymology

From gulf (“Gulf of Mexico”) + weed.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.