Meaning of -ING in English

-ING

-ing /ɪŋ/ BrE AmE suffix

[ Sense 1: Date: 1100-1200 ; Language: Old English ; Origin: -ende ]

[ Sense 2: Language: Old English ; Origin: -ing , -ung ]

1 . forms the present participle of verbs:

They’re dancing.

to go dancing

a dancing bear

2 . [in uncountable nouns] the action or process of doing something:

She hates swimming.

No parking.

3 . [in countable nouns]

a) an example of doing something:

to hold a meeting

b) a product or result of doing something:

a beautiful painting

4 . [in nouns] something used to do something or used for making something:

a silk lining

ten metres of curtaining (=cloth for curtains)

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.