- (intransitive) To communicate with a base etc, by telephone.
- I was too unwell to work yesterday so I called in sick.
- (intransitive) To pay a short visit.
- I'll call in this afternoon to pick up my prescription.
- (transitive) To summon someone, especially for help or advice.
- The government called in the army to deal with the riots.
- (transitive) To withdraw something from sale or circulation.