= gulf-weed, n.; also a mass or a species of this.

the gulf-weed.

A species of sea-weed (Sargassum bacciferum of the sub-order Fucaceæ) found in the Gulf Stream, the Sargasso Sea, and elsewhere; characterized by…

In full sea-thistle weed: ? gulf-weed. Obsolete.

any of several brown seaweeds of the genus Sargassum (sargassum, n.) which occur in large masses in warm and temperate seas and have rounded…

The gulf-weed, which has large bladders in clusters resembling grapes.

= gulf-weed, n.

A large floating seaweed of the genus so called, found in masses in warm or temperate seas. Cf. gulf-weed, n., sargasso, n.

= main sense.