Ironclad

Ironclad or Iron-clad Vessels, also known as armour-clad or armoured vessels were war-vessels protected against the fire of heavy guns by thick plates of iron or steel. Up until the middle of the 19th century all war-vessels were constructed of wood, but later they were built of steel. They were then propelled by means of sails, but later the motiv...
Found on http://www.probertencyclopaedia.com/browse/RI.HTM

ironclad

[adj] - inflexibly entrenched and unchangeable 2. [adj] - without flaws or loopholes
Found on http://www.webdictionary.co.uk/definition.php?query=ironclad

ironclad

Wooden warship covered with armour plate. The first to be constructed was the French Gloire in 1858, but the first to be launched was the British HMS Warrior in 1859. The first battle between...
Found on http://www.encyclo.co.uk/local/20688

Ironclad

I'ron·clad` adjective 1. Clad in iron; protected or covered with iron, as a vessel for naval warfare. 2. Rigorous; severe; exacting; as, an ironclad oath or pledge. [ Colloq.]
Found on http://www.encyclo.co.uk/webster/I/96

ironclad

brassbound adjective inflexibly entrenched and unchangeable; `brassbound traditions`; `brassbound party loyalists`; `an ironclad rule`
Found on https://www.encyclo.co.uk/local/20974

Ironclad

• (n.) A naval vessel having the parts above water covered and protected by iron or steel usually in large plates closely joined and made sufficiently thick and strong to resist heavy shot. • (a.) Rigorous; severe; exacting; as, an ironclad oath or pledge. • (a.) Clad in iron; protected or covered with iron, as a vessel for naval war...
Found on http://thinkexist.com/dictionary/meaning/ironclad/

ironclad

type of warship developed in Europe and the United States in the mid-19th century, characterized by the iron casemates that protected the hull. In ... [5 related articles]
Found on http://www.britannica.com/eb/a-z/i/40

Ironclad

[Common Lisp] Ironclad is a Common Lisp cryptography library aiming to provide functionality similar to OpenSSL or Crypto++. ...
Found on http://en.wikipedia.org/wiki/Ironclad_(Common_Lisp)

ironclad

ironclad, mid-19th-century wooden warship protected from gunfire by iron armor. The success of the ironclad when first employed by the French in the Crimean War sparked a naval armor and armaments race between France and Great Britain. Ironclads were later used by both sides in the U.S. Civil War (s...
Found on http://www.infoplease.com/ce6/history/A0825500.html

ironclad

Wooden warship covered with armour plate. The first to be constructed was the French Gloire in 1858, but the first to be launched was the British HMS Warrior in 1859. The first battle between ironclads took place during the American Civil War, when the Union Monitor fought the Confederate
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0019611.html
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