Interpel(v. t.) To interrupt, break in upon, or intercede with.
Interpellant(a.) Interpelling; interrupting.
Interpellant(n.) One who, or that which, interpels.
Interpellate(v. t.) To question imperatively, as a minister, or other executive officer, in explanation of his conduct; -- generally on the part of a legislative body.
Interpellation(n.) The act of interpelling or interrupting; interruption.
Interpellation(n.) The act of interposing or interceding; intercession.
Interpellation(n.) An act of interpellating, or of demanding of an officer an explanation of his action; imperative or peremptory questioning; a point raised in a debate.
Interpellation(n.) A official summons or citation.

Words within interpel