Webster's Revised Unabridged Dictionary · 1913

Perjure

Perjure , transitive verb

[French parjurer, Latin perjurare, perjerare; per through, over + jurare to swear. See Jury.]

1.
To cause to violate an oath or a vow; to cause to make oath knowingly to what is untrue; to make guilty of perjury; to forswear; to corrupt; -- often used reflexively; as, he perjured himself.
Want will perjure The ne'er-touched vestal. — Shakespeare
2.
To make a false oath to; to deceive by oaths and protestations. [Obsolete]
And with a virgin innocence did pray For me, that perjured her. — J. Fletcher

Perjure , noun

[Latin perjurus: compare Old French parjur, French parjure.]

A perjured person. [Obsolete] — Shakespeare