verb

flare

to burn brightly, to widen, (noun) a bright light, (noun) a signal rocket

The fire flared up suddenly.

The fire flared up suddenly.

Her nostrils flared in anger.

Her nostrils flared in anger.

They fired a distress flare.

They fired a distress flare.

The trousers have a slight flare.

The pants have a slight flare.

to flare up to suddenly burn more brightly The fire flared up suddenly.

a flare a device that produces a bright light They fired a distress flare.

Synonyms (verb): blaze, erupt; (noun): signal, light

Of unknown origin, perhaps related to Dutch 'flaren' (to blaze).

Picture a 'flare' of light from a signal flare. The way the light spreads out is similar to how flared pants widen at the bottom.

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