What is "on guard"

Guard \Guard\, n. [OF. guarde, F. garde; of German origin; cf. OHG. wart, warto, one who watches, warta a watching, Goth. wardja watchman. See Guard, v. t.]

1. One who, or that which, guards from injury, danger, exposure, or attack; defense; protection.

   His greatness was no guard to bar heaven's shaft.
   --Shak.

2. A man, or body of men, stationed to protect or control a person or position; a watch; a sentinel.

   The guard which kept the door of the king's house.
   --Kings xiv. 27.

3. One who has charge of a mail coach or a railway train; a conductor. [Eng.]

4. Any fixture or attachment designed to protect or secure against injury, soiling, or defacement, theft or loss; as:

   1. That part of a sword hilt which protects the hand.

   2. Ornamental lace or hem protecting the edge of a garment.

   3. A chain or cord for fastening a watch to one's person or dress.

   4. A fence or rail to prevent falling from the deck of a vessel.

   5. An extension of the deck of a vessel beyond the hull; esp., in side-wheel steam vessels, the framework of strong timbers, which curves out on each side beyond the paddle wheel, and protects it and the shaft against collision.

   6. A plate of metal, beneath the stock, or the lock frame, of a gun or pistol, having a loop, called a bow, to protect the trigger.

   7. (Bookbinding) An interleaved strip at the back, as in a scrap book, to guard against its breaking when filled.

5. A posture of defense in fencing, and in bayonet and saber exercise.

6. An expression or admission intended to secure against objections or censure.

   They have expressed themselves with as few guards and restrictions as I.
   --Atterbury.

7. Watch; heed; care; attention; as, to keep guard.

8. (Zo["o]l.) The fibrous sheath which covers the phragmacone of the Belemnites. Note: Guard is often used adjectively or in combination; as, guard boat or guardboat; guardroom or guard room; guard duty. Advanced guard, Coast guard, etc. See under Advanced, Coast, etc. Grand guard (Mil.), one of the posts of the second line belonging to a system of advance posts of an army. --Mahan. Guard boat.

   1. A boat appointed to row the rounds among ships of war in a harbor, to see that their officers keep a good lookout.

   2. A boat used by harbor authorities to enforce the observance of quarantine regulations.

      Guard cells (Bot.), the bordering cells of stomates; they are crescent-shaped and contain chlorophyll.

      Guard chamber, a guardroom.

      Guard detail (Mil.), men from a company regiment etc., detailed for guard duty.

      Guard duty (Mil.), the duty of watching patrolling, etc., performed by a sentinel or sentinels.

      Guard lock (Engin.), a tide lock at the mouth of a dock or basin.

      Guard of honor (Mil.), a guard appointed to receive or to accompany eminent persons.

      Guard rail (Railroads), a rail placed on the inside of a main rail, on bridges, at switches, etc., as a safeguard against derailment.

      Guard ship, a war vessel appointed to superintend the marine affairs in a harbor, and also, in the English service, to receive seamen till they can be distributed among their respective ships.

      Life guard (Mil.), a body of select troops attending the person of a prince or high officer.

      Off one's guard, in a careless state; inattentive; unsuspicious of danger.

      On guard, serving in the capacity of a guard; doing duty as a guard or sentinel; watching.

      On one's guard, in a watchful state; alert; vigilant.

      To mount guard (Mil.), to go on duty as a guard or sentinel.

      To run the guard, to pass the watch or sentinel without leave.

      Syn: Defense; shield; protection; safeguard; convoy; escort; care; attention; watch; heed.

a. 1 (context fencing English) The starting position of a fencing bout; en garde. 2 vigilant, alert alt. 1 (context fencing English) The starting position of a fencing bout; en garde. 2 vigilant, alert

adj. vigilant; "on guard against con artists"; "must remain on your guard in such a situation" [syn: on one's guard(p), upon one's guard(p), on your guard]

On Guard may refer to:

• On Guard (novel), a 1903 novel by Upton Sinclair
• On Guard (serial), a 1927 film serial
• On Guard (1997 film), a 1997 French swashbuckler film
• "On Guard", a 2011 episode of the US television series White Collar

On Guard is a 1927 American drama film serial directed by Arch Heath. It is considered to be lost.

On Guard is a 1997 French swashbuckler film directed by Philippe de Broca and starring Daniel Auteuil, Fabrice Luchini, Vincent Perez, and Marie Gillain. Adapted from the 1858 historical novel Le Bossu by Paul Féval, the film is about a skilled swordsman named Lagardère who is befriended by the Duke of Nevers. When the duke is attacked by his evil cousin Gonzague, the duke in his dying moments asks Lagardère to avenge him and look after his infant daughter.

On Guard was released on 3 December 1997 in France. The film had 2,385,688 admissions in France and grossed $96,750 in the United States. On Guard received the César Award for Best Costume Design, and eight César Award Nominations for Best Film, Best Actor, Best Actress, Best Supporting Actor, Best Cinematography, Best Editing, Best Music, and Best Production Design in 1998. The film also received a BAFTA Film Award Nomination for Best Film in 1999.