D defs.my
Entry 1 sense Webster, 1913

gulfweed

/(gŭlf"wēd`)/ · gulf·weed · IPA
01 n. A brown seaweed (Sargassum bacciferum) with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea.
  1. 1.
    A brown seaweed (Sargassum bacciferum) with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea.