head room

noun

Nautical. the clear space between two decks.

Also called headway. clear vertical space, as between the head and sill of a doorway or between the ceiling and floor of an attic room at a certain point, especially such height as to allow passage or comfortable occupancy.

Audio. dynamic headroom.

Origin:
1850–55; head + room

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins

World English Dictionary

headroom or headway (ˈhɛdˌrʊm, -ˌruːm)

—n
	the height of a bridge, room, etc; clearance

headway or headway

—n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Relevant Questions

What Is Head·room?

00:10

Head room is always a great word to know.

So is quincunx. Does it mean:

an extraordinary or unusual thing, person, or event; an exceptional example or instance.

an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.

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Matching Quote

"All that is necessary to do with this drink is to place it in an open saucer on the window sill and inhale deeply from across the room. In about eight seconds the top of the inhaler's head rises slowly and in a dignified manner until it reaches the ceiling where it floats, bumping gently up and down. The teeth then drop out and arrange themselves on the floor to spell "Portage High School, 1930" the eyes roll upward and backward, and a strange odor of burning rubber fills the room."

-Robert Benchley

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head room

head·room