Meaning of ROOT in English

ROOT

/ ruːt; NAmE / noun , verb

■ noun

OF PLANT

1.

[ C ] the part of a plant that grows under the ground and absorbs water and minerals that it sends to the rest of the plant :

deep spreading roots

I pulled the plant up by (= including) the roots .

Tree roots can cause damage to buildings.

root crops / vegetables (= plants whose roots you can eat, such as carrots)

—picture at plant , tree

—see also grass roots , taproot

OF HAIR / TOOTH / NAIL

2.

[ C ] the part of a hair, tooth, nail or tongue that attaches it to the rest of the body :

hair that is blonde at the ends and dark at the roots

MAIN CAUSE OF PROBLEM

3.

[ C , usually sing. ] the main cause of sth, such as a problem or difficult situation :

Money, or love of money, is said to be the root of all evil.

We have to get to the root of the problem .

What lies at the root of his troubles is a sense of insecurity.

What would you say was the root cause of the problem?

ORIGIN

4.

[ C , usually pl. ] the origin or basis of sth :

Flamenco has its roots in Arabic music.

CONNECTION WITH PLACE

5.

roots [ pl. ] the feelings or connections that you have with a place because you have lived there or your family came from there :

I'm proud of my Italian roots.

After 20 years in America, I still feel my roots are in England.

OF WORD

6.

[ C ] ( linguistics ) the part of a word that has the main meaning and that its other forms are based on; a word that other words are formed from :

'Walk' is the root of 'walks', 'walked', 'walking' and 'walker'.

MATHEMATICS

7.

[ C ] a quantity which, when multiplied by itself a particular number of times, produces another quantity

—see also cube root , square root

IDIOMS

- put down roots

- root and branch

- take root

■ verb

OF PLANTS

1.

[ v , vn ] to grow roots; to make or encourage a plant to grow roots

SEARCH

2.

[ v + adv. / prep. ] root (about / around) for sth | root (through sth) (for sth) to search for sth by moving things or turning things over

SYN rummage :

pigs rooting for food

'It must be here somewhere,' she said, rooting through the suitcase.

Who's been rooting around in my desk?

SEX

3.

[ v , vn ] ( AustralE , NZE , taboo , slang ) to have sex with sb

PHRASAL VERBS

- root for sb

- root sth/sb out

- root sb to sth

- root sth up

••

WORD ORIGIN

noun late Old English rōt , from Old Norse rót ; related to Latin radix .

verb Old English wrōtan , of Germanic origin; related to Old English wrōt snout , German Rüssel snout, and perhaps ultimately to Latin rodere gnaw.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.