a. [f. mod.L. Laminaria name of a genus of seaweeds (see quot. 1883), f. L. lāmina thin plate.] Laminarian zone: the zone of the sea, extending from low-water mark to a depth of ninety feet, in which seaweeds of the genus Laminaria are found.
1851–6. Woodward, Mollusca, 149. The key-hole limpets … chiefly inhabit the laminarian zone.
1883. Good Words, Aug., 530/1. Below the littoral we come upon the great laminarian zone, the region of waving laminaria, or sea-tangle.
