Meaning of “root” - Learner’s Dictionary


noun [ C ] uk us /ruːt/

B2 the part of a plant that grows under the ground and gets water and food from the soil


the part of a hair or tooth that is under the skin

the root of sth

the cause of something, usually something bad:

the root of all evil
→ See also grass roots

(Definition of “root” from the Cambridge Learner’s Dictionary © Cambridge University Press)