different between buckler vs undefined

English

Etymology

From Middle English bukler, bokler, bokeler, bokeleer, from Old French bocler, boucler, bucler, (French bouclier) from Vulgar Latin *buccul?rius (“bossed”), from Latin buccula (“boss”).

Pronunciation

• (Received Pronunciation) IPA^(key): /?b?k.l?/
• (General American) IPA^(key): /?b?k.l?/
• Hyphenation: buck?ler

Noun

buckler (plural bucklers)

1. One who buckles something.
   • 1986, Press Summary - Illinois Information Service (page 6724)

     Bucklers will be assigned to buckle up drivers in the morning and make sure they stay buckled up.

2. A kind of shield, of various shapes and sizes, held with a hand (usually the left) for protecting the front of the body. 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.
   • 1598, William Shakespeare, Henry IV, Part I, Act II, Scene IV, line 166.

     I am eight times thrust through the doublet, four through the hose, my buckler cut through and through; my sword hacked like a hand-saw -- ecce signum!

3. (obsolete) A shield resembling the Roman scutum. In modern usage, a smaller variety of shield is usually implied by this term.
4. (zoology) One of the large, bony, external plates found on many ganoid fishes.
5. (zoology) The anterior segment of the shell of a trilobites.
6. (nautical) 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.

Derived terms

• knee-buckler

Translations

Verb

buckler (third-person singular simple present bucklers, present participle bucklering, simple past and past participle bucklered)

1. (transitive, obsolete) To shield; to defend.

English

Etymology

un- +? defined

Adjective

undefined (not comparable)

1. Lacking a definition or value.
2. (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.

   The result of division by zero is undefined.

Synonyms

• (lacking a definition or value): indefinite, undefinable; see also Thesaurus:indistinct or Thesaurus:vague

Antonyms

• defined

Translations