Dictionary
i•ron•clad
Pronunciation: (
—adj.ī'urn-klad';
—n.ī'urn-klad"), [key]—
adj.
1. covered or cased with iron plates, as a ship for naval warfare; armor-plated.
2. very rigid or exacting; inflexible; unbreakable:
an ironclad contract.
—
n.
a wooden warship of the middle or late 19th century having iron or steel armor plating.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.