Kelpnoun
Any of several large brown seaweeds (order Laminariales).
Kelpnoun
The calcined ashes of seaweed, formerly used in glass and iodine manufacture.
Kelpnoun
The calcined ashes of seaweed, - formerly much used in the manufacture of glass, now used in the manufacture of iodine.
Kelpnoun
Any large blackish seaweed.
Kelpnoun
large brown seaweeds having fluted leathery fronds
Kelp
Kelps are large brown algae seaweeds that make up the order Laminariales. There are about 30 different genera.
Seaweednoun
Any of numerous marine plants and algae, such as a kelp.
Seaweednoun
Popularly, any plant or plants growing in the sea.
Seaweednoun
Any marine plant of the class Algæ, as kelp, dulse, Fucus, Ulva, etc.
Seaweednoun
plant growing in the sea, especially marine algae
Seaweednoun
large algae growing in the sea or on rocks below the high-water mark
Seaweed
Seaweed, or macroalgae, refers to thousands of species of macroscopic, multicellular, marine algae. The term includes some types of Rhodophyta (red), Phaeophyta (brown) and Chlorophyta (green) macroalgae.