hydrilla

noun hy·dril·la \ hī-ˈdri-lə \

|Updated on: 10 Jun 2018

Definition of hydrilla

: a freshwater aquatic Asian plant (Hydrilla verticillata of the Hydrocharitaceae family) that has small narrow leaves growing in whorls of three to eight around stems which become heavily branched near the water surface

Recent Examples of hydrilla from the Web

To get the Kissimmee grass and hydrilla to grow back, the lake level needs to be 11 feet.

— steve waters, miamiherald, "Despite warm temperatures, bass are still spawning and creating some thrilling fishing," 1 June 2018
In 2013, for example, Seminole took over the management of Lake Howell, a 391-acre water body near Casselberry, that for years was filled with hydrilla and other invasive plants.

— martin e. comas, OrlandoSentinel.com, "Army of volunteers wade through muddy waters to keep Seminole lakes clear," 17 Mar. 2018
Sam Rayburn - Bass are good on Rat-L-Traps over submerged hydrilla.

— bink grimes, Houston Chronicle, "Outdoors report: March 16," 15 Mar. 2018
Areas that clear first are typically those that are well away from muddy creek inflows, and those that are surrounded by hydrilla and coontail, which tend to suck the mud out of the water and clarify it.

— joe songer, AL.com, "63 amazing big buck photos taken by Alabama hunters this season," 15 Feb. 2018
Eagles prey on American coots, which dine almost exclusively on hydrilla, the Post reported.

— joe marusak, charlotteobserver, "Invasive weed known as ‘serial killer of eagles’ back in Lake Norman | Charlotte Observer," 15 Feb. 2018
Deep hydrilla has held good fish on worms and jigs.

— bink grimes, Houston Chronicle, "Outdoors report: March 11," 10 Mar. 2018
Flats with lots of stumps and blowdowns, or with hydrilla, lily pads and other vegetation, are particularly attractive.

— cheryl wray, AL.com, "NASCAR Daytona qualifying, Auto Parts Clash live stream, TV, time, lineup," 11 Feb. 2018
For instance, invasive zebra mussels can out-compete native species and even clog water intakes, and invasive aquatic weeds, like water hyacinth or hydrilla, can choke out native plants and even fish.

— the nature conservancy, Country Living, "7 Ways You Can Help Keep Our Water Sources Clean," 15 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrilla.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.