SARGASSUMS
Scrabble letter values: S1A1R1G2A1S1S1U1M3S1 = 13
Definition
SARGASSUMS is the plural of SARGASSUM.
noun SARGASSUM: brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea.
Synonyms of SARGASSUM: gulfweed, sargasso, Sargassum_bacciferum