summons
n. countablen. an official order to appear in a court of law. You might receive one if you are a witness or if you are being sued.
n. an official legal document ordering a person to appear before a judge or magistrate. It may also refer to a formal call to attend a meeting or perform a specific duty.
He received a summons to appear in court next Tuesday.
The defendant ignored the initial summons, leading the judge to issue a warrant for his arrest.
Legal experts noted that the summons was delivered improperly, potentially invalidating the entire proceedings against the corporation for its environmental violations.
The word 'summons' is singular; the plural form is 'summonses'.
He received a summonHe received a summonsIn the noun sense, 'summons' is the singular form; 'summon' is only used as a verb.