Meaning of ROOF in English

I. ˈrüf, ˈru̇f, dial ˈrəf noun

( plural roofs -fs ; also rooves ˈrüvz)

Usage: often attributive

Etymology: Middle English rof, roof, rouf, ruf, from Old English hrōf; akin to Old Frisian hrōf roof, Middle Low German rōf, rūf cover, sheltering roof, Middle Dutch roef, roof cover, roof, Old Norse hrōf roof of a boathouse, boathouse, Old Slavic stropŭ roof


a. : the outside cover of a building or structure including the roofing and all the materials and construction necessary to maintain the cover upon its walls or other support:

(1) : such a cover or its inner shell on the interior of a structure ; especially : a high vaulted or spacious ceiling

the long interior … has a handsome open timber roof decorated in polychrome — American Guide Series: Connecticut

its principal room is the Livery Hall, high ceilinged, with decorated roof , chandeliers, and tall marble pillars — Gerard Foy

(2) : such a cover of a house or home

finds herself without a roof over her head — H.M.Parshley

placing … the most distressed families under roof — U.S. Code

b. : a shelter, house, or other domicile used as a home

had his roof and taught physics in a boy's school — D.C.Peattie

why not … share the same roof — Virginia Woolf

c. : roofing

the house has a slate roof

slag or gravel roof

coal tar, pitch, and felt roof



(1) : the highest point or reach of something : summit , culmination

in the desolate mountains at the roof of the … world — Newsweek

(2) : ceiling 7

what the nation needed … was a floor under some prices and a roof over others — Time

both wool and rubber … have gone through the roof — America

b. : something that covers in, includes, or completes

agency to put a permanent roof over the temporary consolidation of the independent housing agencies — Time

c. : the vault of the heavens

this majestic roof fretted with golden fire — Shakespeare

beneath this small blue roof of vernal sky — S.T.Coleridge

d. : something resembling a roof in form or function: as

(1) : the canopy of leaves and branches formed by trees or other vegetative growth

from under shady arborous roof — John Milton

some do rise above the jungle roof — C.H.Curran

(2) : the cover of a vehicle (as a car or airplane) : top


a. : the vaulted upper boundary of the mouth supported largely by the palatine bones and limited anteriorly by the dental ridge and posteriorly by the uvula and upper part of the fauces

b. : tegmentum

c. : a covering structure of any of various other parts of the body

roof of the skull

roof of a cavity



(1) : the rock immediately above a tabular deposit (as a coal seam or vein)

(2) : the overhead of an excavation or tunnel in a mine

(3) : the invaded rock above a batholith

b. : a passage excavated in quarrying slate from below upward : raise

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roof 1a(1): 1 gambrel, 2 mansard, 3 hip, 4 lean-to


II. transitive verb

( -ed/-ing/-s )

Etymology: Middle English rofen, from rof, roof, n.


a. : to cover or provide (a structure) with a roof

had the passage at the entrance of the house repaired and roofed — Thomas Carlyle

the thatcher mounts his ladder … with his burden of straw, roofing the corn built to be its own storehouse — Adrian Bell

b. : to provide (a roof) with a protective or weatherproof exterior

originally roofed with handmade shingles — American Guide Series: Louisiana


a. : to constitute or form a roof over (something)

maple trees roofed every street with gold — Janet Whitney

the mountains which roof their mines — Christian Science Monitor

b. : to provide shelter for : house

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.