D defs.my
Entry 1 sense Webster, 1913

Sargasso

/sär-găs'-ō/ · Sar·gas·so · IPA /sɑɹˈɡæsoʊ/
01 n. The gulf weed. See under Gulf.
  1. 1.
    The gulf weed. See under Gulf.(Bot.) See: Gulf
Phrases & compounds
Sargasso Sea — a large tract of the North Atlantic Ocean where sargasso in great abundance floats on the surface.