What one's duty obliges one to do.

(transitive) To cause to be questioned; to introduce doubt regarding.

Misspelling of beck and call.

An open and/or public audition, especially for actors and actresses.

(programming) Alternative form of call-by-reference

(programming) Alternative form of call-by-value

(telephony) A telephone call for which, when the recipient of the call answers, there is no one on the other end.

plural of port of call

Synonym of voice in the wilderness

A high-pitched call made by birds to warn of the presence or approach of a predator.