Meaning : A wooden warship of the 19th century that is plated with iron or steel armor.
Meaning : Sheathed in iron plates for protection.
Meaning : Inflexibly entrenched and unchangeable.
Example :
Brassbound traditions.
Brassbound party loyalists.
An ironclad rule.
Synonyms : brassbound
Ironclad meaning in Bengali (Bangla).