'Macrocystis pyrifera' definitions:

Definition of 'Macrocystis pyrifera'

From: GCIDE
  • Kelp \Kelp\ (k[e^]lp), n. [Formerly kilpe; of unknown origin.]
  • 1. The calcined ashes of seaweed, -- formerly much used in the manufacture of glass, now used in the manufacture of iodine. [1913 Webster]
  • 2. (Bot.) Any large blackish seaweed. [1913 Webster]
  • Note: Laminaria is the common kelp of Great Britain; Macrocystis pyrifera and Nereocystis Lutkeana are the great kelps of the Pacific Ocean. [1913 Webster]
  • Kelp crab (Zool.), a California spider crab ({Epialtus productus}), found among seaweeds, which it resembles in color.
  • Kelp salmon (Zool.), a serranoid food fish ({Serranus clathratus}) of California. See Cabrilla. [1913 Webster]

Definition of 'Macrocystis pyrifera'

From: GCIDE
  • Macrocystis \Mac`ro*cys"tis\, n. [NL. See Macro-, and Cyst.] (Bot.) An immensely long blackish seaweed of the Pacific (Macrocystis pyrifera), having numerous almond-shaped air vessels. [1913 Webster]