(US, Canada) A phone call paid for by the receiver, as opposed to the caller.

an announcement of mealtime

To inform one's workplace or school that one temporarily cannot attend work or school due to illness.

plural of call rate

Synonym of siren song

plural of call-in

(hunting) A hunter's technique of luring waterfowl by imitating its cry. / (hunting) A tool used to produce a whistling sound for this purpose.

(UK) To announce the closing of a pub for the day. / (UK) To end something. / (sports) To call a timeout. / (US, education) To indicate that an activity, especially the taking of a test, is complete.

(performing arts) The expected time of arrival for participants in a performance event, e.g., a play or concert.

(programming) A function call that is itself the last instruction in a function.