fire door

fire door

noun
1.
a door through which a boiler or furnace is fired or through which the fire is inspected.
2.
a fireproof or fire-resistant door in a building, intended to isolate an area from fire.

Origin:
1830–40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Fire door is always a great word to know.
So is interrobang. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Collins
World English Dictionary
fire door
 
n
1.  a door made of noncombustible material, the purpose of which is to prevent a fire from spreading within a building
2.  a similar door, leading to the outside of a building, that can be easily opened from inside; emergency exit

Collins English Dictionary - Complete & Unabridged 10th Edition
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