Meaning of FLARE in English

FLARE

I. flare 1 /fleə $ fler/ BrE AmE verb

1 . ( also flare up ) [intransitive] to suddenly begin to burn, or to burn more brightly for a short time:

The fire flared up again.

2 . ( also flare up ) [intransitive] if strong feelings flare or flare up, people suddenly become angry, violent etc:

Rioting has flared up in several towns.

Tempers flared during the debate.

3 . ( also flare up ) [intransitive] if a disease or illness flares up, it suddenly becomes worse:

The injury has flared up again, keeping him out of today’s game.

4 . [intransitive and transitive] if a person or animal flares their ↑ nostril s (=the openings at the end of the nose) , or if their nostrils flare, their nostrils become wider because they are angry:

The bull flared its nostrils.

5 . [intransitive always + adverb/preposition] if a piece of clothing flares out, it becomes wider at one end

flare out

The dress flares out from the hips.

—flared adjective :

flared jeans

II. flare 2 BrE AmE noun

1 . [countable] a piece of equipment that produces a bright flame, or the flame itself, used outdoors as a signal:

The distress flares were spotted by another ship.

2 . [countable usually singular] a sudden bright flame:

There was a brief flare as the match was lit.

3 . flares [plural] trousers that become wide below the knee

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