root-knot nematode
noun
: any of several small plant-parasitic nematodes (genus Meloidogyne) that cause root knot
Example Sentences
Recent Examples on the Web Can adding fresh soil help a bed where tomatoes were attacked last year by root-knot nematode? 
Nan Sterman, San Diego Union-Tribune, 2 Apr. 2022 Parasitic Nematodes Don't confuse these beneficial nematodes with destructive root-knot nematodes. The Editors Of Organic Life, Good Housekeeping, 18 Dec. 2017
Nan Sterman, San Diego Union-Tribune, 2 Apr. 2022 Parasitic Nematodes Don't confuse these beneficial nematodes with destructive root-knot nematodes. The Editors Of Organic Life, Good Housekeeping, 18 Dec. 2017 Word History
First Known Use
1922, in the meaning defined above