[gulf.weed] n [Gulf of Mexico] (1674): any of several sargassums; esp: a branching olive-brown seaweed (Sargassum bacciferum) of tropical American seas with numerous berrylike air vesicles
GULFWEED
Meaning of GULFWEED in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012