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单词 horseweed
释义

horseweed

noun

horse·​weed ˈhȯrs-ˌwēd How to pronounce horseweed (audio)
1
: a common annual American composite herb (Conyza canadensis synonym Erigeron canadensis) with an erect usually hairy stem and small discoid heads of yellow disk flowers
2
: a coarse annual North American ragweed (Ambrosia trifida)

Example Sentences

Recent Examples on the Web Some examples are sharp point fluvellin, velvetleaf, puncturevine, horseweed, western bittercress and oxalis. OregonLive.com, 27 Feb. 2018 Yet tolerance to 2,4-D has already been documented in several weed species that have elsewhere become glyphosate-resistant superweeds, including waterhemp and horseweed. Brandon Keim, WIRED, 24 June 2014

Word History

First Known Use

1790, in the meaning defined at sense 1

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更新时间:2024/12/23 18:19:55