crabgrass

noun
crab·​grass | \ˈkrab-ˌgras \

Definition of crabgrass 

: a grass (especially Digitaria sanguinalis) that has creeping or decumbent stems which root freely at the nodes and that is often a pest in turf or cultivated lands

Examples of crabgrass in a Sentence

Recent Examples on the Web

Quicker-growing crabgrass will have a harder time outcompeting the rest of your lawn. Jean Nick, Good Housekeeping, "Rid Your Yard Of Crabgrass Without Using Harmful Weed Killers," 7 Apr. 2017 Eliminate established crabgrass and resod to prevent seed germination. 22. Tom Maccubbin, OrlandoSentinel.com, "April in the garden," 31 Mar. 2018 Prune roses and apply crabgrass pre-emergent treatment to lawn when forsythia blooms. idahostatesman, "A gardening to do list for March and April | Idaho Statesman," 21 Mar. 2018 If grassburs and crabgrass have been hallmarks of your lawn in past summers, prevent them by applying Team, Dimension or Halts granules now. Neil Sperry, star-telegram, "Spring has sprung, if the plants are any indication. Here, what needs to be done now | Fort Worth Star-Telegram," 9 Mar. 2018 Autumn provides the right combination of sun and water to quickly germinate grass seed and the cooler temperatures help to kill off crabgrass and other weeds. Joseph Truini, Popular Mechanics, "How to Plant Grass Seed for a New Lawn," 12 Mar. 2018 First, crabgrass is killed by freezing temperatures. Dick Crum, Indianapolis Star, "Dr. Dirt: Tropical plants cannot easily be preserved in fall, winter," 29 Sep. 2017 But goodness keeps bouncing back like crabgrass and cockroaches. Doug Maccash, NOLA.com, "10 monsters you'll only find in New Orleans," 27 Oct. 2017 The preemergent crabgrass controls will give some degree of help. Dick Crum, Indianapolis Star, "Dr. Dirt: Japanese beetle can bore holes into leaves," 18 Aug. 2017

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

See More

First Known Use of crabgrass

1743, in the meaning defined above

Keep scrolling for more

Learn More about crabgrass

Statistics for crabgrass

Look-up Popularity

Time Traveler for crabgrass

The first known use of crabgrass was in 1743

See more words from the same year

Keep scrolling for more

More Definitions for crabgrass

crabgrass

noun

English Language Learners Definition of crabgrass

: a thick type of grass that often grows and spreads quickly in places where it is not wanted

crabgrass

noun
crab·​grass | \ˈkrab-ˌgras \

Kids Definition of crabgrass

: a weedy grass with coarse stems that root at the joints

Keep scrolling for more

Comments on crabgrass

What made you want to look up crabgrass? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

playful or foolish behavior

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!