hydrilla

American  

[hahy-dril-uh] / haɪˈdrɪl ə /

noun

1. a submerged aquatic plant, Hydrilla verticillata, native to the Old World, that has become a pest weed in U.S. lakes and waterways.

---

hydrilla British  

/ haɪˈdrɪlə /

noun

1. any aquatic plant of the Eurasian genus Hydrilla, growing underwater and forming large masses: used as an oxygenator in aquaria and pools. It was introduced in the S US where it has become a serious problem, choking fish and hindering navigation

---

Etymology

Origin of hydrilla

< New Latin (1814), the genus name, equivalent to Latin hydr ( a ) hydra + -illa diminutive suffix

Example Sentences

And it is on the move: The plant, a new strain of hydrilla, was discovered in several other bodies of water in Connecticut this year.

From New York Times • Nov. 28, 2023

Brown surveys his waterscape: hatching mayflies being devoured by dive-bombing swallows and ever-present coots nibbling on the budding hydrilla.

From Los Angeles Times • May 9, 2022

Tacklebox should include worms, crankbait, topwater, and spinners above brush, and the lakeside of hydrilla.

From Washington Times • Nov. 18, 2020

Largemouth bass are fair using topwater along hydrilla at dawn.

From Washington Times • Jul. 29, 2020

Water clear; 58-63 degrees; Largemouth bass are good on plastic worms, creature baits, crankbaits, and spinners around the hydrilla.

From Washington Times • Nov. 20, 2019