call up

US /kɔːl ˈʌp/

UK /kɔːl ˈʌp/

to telephone someone

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I need to call up my sister to wish her a happy birthday.

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He promised to call me up as soon as he arrived.

to summon someone for military service

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During the war, many young men were called up for duty.

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He was surprised when he received the letter to call him up.

to bring something to mind; to remember

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I can't quite call up his name, but I know his face.

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The old song called up many memories of my childhood.