the GNU version of the Collaborative International Dictionary of English
n. A genus of plants of the Naiadaceæ, or Pondweed family. Zostera marina is commonly known as sea wrack, and eelgrass.
The Century Dictionary and Cyclopedia
n. A genus of aquatic plants, of the order Naiadaceæ, type of the tribe Zostereæ.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (or in some classifications family Zosteraceae) small genus of widely distributed marine plants
Word Usage
"Then sleep overpowered me, and I stretched myself on my couch of zostera, and slept profoundly, whilst the Nautilus was gliding rapidly through the current of the Black River."