Hypertext Webster Gateway: "ironclad"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Ironclad \I"ron*clad`\, a.
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.]
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Ironclad \I"ron*clad`\, 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.
From WordNet (r) 1.7 (wn)
ironclad
adj 1: inflexibly entrenched and unchangeable; "brassbound
traditions"; "brassbound party loyalists"; "an
ironclad rule" [syn: {brassbound}]
2: without flaws or loopholes; "an ironclad contract"; "a
watertight alibi" [syn: {unassailable}, {unshakable}, {watertight}]
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