Noah Webster
Warn
WARN, verb transitive [G.]
1. To give notice of approaching or probable danger or evil, that it may be avoided; to caution against any thing that may prove injurious.
Juturna warns the Daunian chief of Lausus danger-- being warned of God in a dream, that they should not return to Herod, they departed into their own country another way. Matthew 2:12.
2. To caution against evil practices. 1 Thessalonians 5:14.
3. To admonish of any duty.
Cornelius--was warned from God by an holy angel to send for thee. Acts 10:22.
4. To inform previously; to give notice to.
--Warnd of th ensuing fight.
5. To notify by authority; to summon; as, to warn the citizens to meet on a certain day; to warn soldiers to appear on parade.
6. To ward off. [Not in use.]