Illustration of roof
- 1 gambrel
- 2 mansard
- 3 hip
- 4 lean-to
1
a(1)
: the cover of a building
(2)
: material used for a roof : roofing
b
: the roof of a dwelling conventionally designating the home itself
didn't have a roof over my head
they share the same roof
3
a
: the vaulted upper boundary of the mouth
b
: a covering structure of any of various parts of the body
roof of the skull
4
: something suggesting a roof: such as
a
: a canopy of leaves and branches
b
: the top over the passenger section of a vehicle
roofed; roofing; roofs
1
a
: to cover with or as if with a roof
b
: to provide with a particular kind of roof or roofing
—often used in combination
slate-roofed houses
2
: to constitute a roof over
roofer
noun
Examples of roof in a Sentence
Noun
the roof of a car
The roof of the old barn collapsed.
He bit into a hot slice of pizza and burned the roof of his mouth.
Verb
fed and roofed the emergency volunteers for a week
Recent Examples on the Web
Tony Leopardo, Mercury News, 26 Oct. 2025
After midnight on September 30th, helicopters hovered above a large Chicago apartment building, and heavily armored agents rappelled from the choppers onto the roof.
—Veralyn Williams, NPR, 25 Oct. 2025
Steve Conroy, Boston Herald, 22 Oct. 2025
There are loads of customization options, too, including a handful of different wood finishes and roof panelings to achieve your ideal aesthetic.
—Dean Stattmann, Outside, 19 Oct. 2025
See All Example Sentences for roof
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Noun
The base window sticker price for this high roof model is $50,860.
—Tony Leopardo, Mercury News, 26 Oct. 2025
After midnight on September 30th, helicopters hovered above a large Chicago apartment building, and heavily armored agents rappelled from the choppers onto the roof.
—Veralyn Williams, NPR, 25 Oct. 2025
Verb
Luostarinen got around Lohrei and roofed it past Swayman.
—Steve Conroy, Boston Herald, 22 Oct. 2025
There are loads of customization options, too, including a handful of different wood finishes and roof panelings to achieve your ideal aesthetic.
—Dean Stattmann, Outside, 19 Oct. 2025
See All Example Sentences for roof
Cite this Entry
“Roof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roof. Accessed 29 Oct. 2025.
Copy CitationKids Definition
1
a
: the upper covering part of a building
b
: a place to live : home
a roof over one's head
2
: the upper boundary of the mouth
3
: something resembling a roof in form, position, or purpose
roof
2 of 2 verb1
: to cover with or as if with a roof
2
: to provide with roofing
roofer
noun
Medical Definition
plural roofs
ˈrüfs, ˈru̇fs also ˈrüvz, ˈru̇vz
1
: the vaulted upper boundary of the mouth supported largely by the palatine bones and limited anteriorly by the dental lamina and posteriorly by the uvula and upper part of the fauces
2
: a covering structure of any of various parts of the body other than the mouth
roof of the skull
roof of the dental pulp chamber
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