Buckler word meaning and definition

[noun] armor carried on the arm to intercept blows

\Buc"kler\, n. [OE. bocler, OF. bocler, F. bouclier, a shield with a boss, from OF. bocle, boucle, boss. See {Buckle}, n.] 1. A kind of shield, of various shapes and sizes, worn on one of the arms (usually the left) for protecting the front of the body. Note: In the sword and buckler play of the Middle Ages in England, the buckler was a small shield, used, not to cover the body, but to stop or parry blows. 2. (Zo["o]l.)
(a) One of the large, bony, external plates found on many ganoid fishes.
(b) The anterior segment of the shell of trilobites. 3. (Naut.) A block of wood or plate of iron made to fit a hawse hole, or the circular opening in a half-port, to prevent water from entering when the vessel pitches. {Blind buckler} (Naut.), a solid buckler. {Buckler mustard} (Bot.), a genus of plants ({Biscutella}) with small bright yellow flowers. The seed vessel on bursting resembles two bucklers or shields. {Buckler thorn}, a plant with seed vessels shaped like a buckler. See {Christ's thorn}. {Riding buckler} (Naut.), a buckler with a hole for the passage of a cable.
\Buc"kler\, v. t. To shield; to defend. [Obs.] Can Oxford, that did ever fence the right, Now buckler falsehood with a pedigree? --Shak.

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