tape grass

American

noun

a freshwater plant, Vallisneria spiralis, that has long, ribbonlike leaves and grows under water.

tape grass British

noun

any of several submerged freshwater plants of the genus Vallisneria, esp V. spiralis, of warm temperate regions, having ribbon-like leaves: family Hydrocharitaceae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tape grass

First recorded in 1810–20

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023