domedome (d?m)n.1. a. A roof or vault having a circular, polygonal, or elliptical base and a generally hemispherical or semispherical shape.b. A geodesic dome.2. A domelike structure or object.3. Geology Any of various natural structures having a rounded shape, especially:a. A system of strata that is uplifted in the center, forming a concentric anticline.b. A mass of granite that has been weathered into a rounded shape by exfoliation.c. A mound formed by the extrusion of viscous lava from a volcano.4. Chemistry A form of crystal with two similarly inclined faces that meet at an edge parallel to the horizontal axis.5. Slang The human head.6. Archaic A large, stately building.v. domed, dom·ing, domes v.tr.1. To cover with or as if with a dome.2. To shape like a dome.v.intr. To rise or swell into the shape of a dome.[From French dôme, dome, cathedral (from Italian duomo, cathedral, from Latin domus, house; see dem- in Indo-European roots) and from French dôme, roof (from Provençal doma, from Greek d?ma, house; see dem- in Indo-European roots).]dom?al (d??m?l) adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.dome (d??m) n1. (Architecture) a hemispherical roof or vault or a structure of similar form2. something shaped like this3. (Chemistry) crystallog a crystal form in which two planes intersect along an edge parallel to a lateral axis4. a slang word for the head5. (Geological Science) geology a. a structure in which rock layers slope away in all directions from a central pointb. another name for pericline2vb (tr) 6. (Architecture) to cover with or as if with a dome7. to shape like a dome[C16: from French, from Italian duomo cathedral, from Latin domus house] ?dome?like adj domical adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014dome (do?m) n., v. domed, dom?ing. n. 1. a. a vault, having a circular plan and usu. in the form of a portion of a sphere, so constructed as to exert an equal thrust in all directions. b. a domical roof or ceiling. c. a polygonal vault, ceiling, or roof. 2. Crystall. a form having planes that intersect the vertical axis and are parallel to one of the lateral axes. 3. Geol. a large-scale circular structural feature with flanks that slope gradually away from the center. 4. a raised, glass-enclosed section of the roof of a railway passenger car, placed over an elevated section of seats to afford a full view of scenery. 5. a mountain peak having a rounded summit. 6. Slang. a person’s head. v.t. 7. to cover with or as if with a dome. 8. to shape like a dome. v.i. 9. to rise or swell as a dome. [1505?15;