dome

[dohm]

noun

verb (used with object), domed, dom·ing.

to cover with or as if with a dome.
to shape like a dome.

verb (used without object), domed, dom·ing.

to rise or swell as a dome.

Origin of dome

1505–15; < Middle French dome < Italian duomo < Medieval Latin domus (Deī) house (of God), church; akin to timber
Related formsdome·like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for dome

dome

noun

a hemispherical roof or vault or a structure of similar form
something shaped like this
crystallog a crystal form in which two planes intersect along an edge parallel to a lateral axis
a slang word for the head
geology
  1. a structure in which rock layers slope away in all directions from a central point
  2. another name for pericline (def. 2)

verb (tr)

to cover with or as if with a dome
to shape like a dome
Derived Formsdomelike, adjectivedomical (ˈdəʊmɪkəl, ˈdɒm-), adjective

Word Origin for dome

C16: from French, from Italian duomo cathedral, from Latin domus house
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for dome
n.

"round, vaulted roof," 1650s, from French dome (16c.), from Provençal doma, from Greek doma "house, housetop" (especially a style of roof from the east), related to domos "house" (see domestic).

In the Middle Ages, German dom and Italian duomo were used for "cathedral" (on the notion of "God's house"), so English began to use this word in the sense "cupola," an architectural feature characteristic of Italian cathedrals. Used in U.S. also with reference to round summits of mountains.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for dome

dome

[dōm]

A circular or elliptical area of uplifted rock in which the rock dips gently away, in all directions, from a central point.
A wedge-shaped mineral crystal that has two nonparallel, similarly inclined faces that intersect along a plane of symmetry.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.