call inverb

• 1

  To communicate with a base etc, by telephone.

  • I was too unwell to work yesterday so I called in sick.
• 2

  To report; communicate (a message) by telephone or similar.

  • The hoaxer called in a bomb threat.
• 3

  To pay a short visit.

  • Near-synonym: call on (transitive)
  • I'll call in this afternoon to pick up my prescription.
• 4

  To summon someone, especially for help or advice.

  • The government called in the army to deal with the riots.
  • By the latter part of 1848, the throne of Hudson the Railway King who had been called in in 1845 as a superman to save the Eastern Counties Railway, was tottering to its fall, [...].
• 5

  To withdraw something from sale or circulation.

• 6

  To request immediate repayment of (a debt).