plural of phone call

A conversation held by means of a telephone.

plural of margin call

(euphemistic, idiomatic, personification) Used to indicate that someone (usually the speaker) feels a need to urinate or defecate.

Used by a phone-call receiver to ask the identity of the caller.

Use a telephone to ensure arrival of an ambulance

(transitive) To formally signal the start of (a meeting or function or assembly or court).

Third-person singular simple present indicative form of call to order

(US, military) A daily lineup of military personnel requiring medical attention.

plural of sick call