This section is from the book "The Home Cyclopedia Of General Information", by Charles Morris. Also available from Amazon: Home Cyclopedia of Necessary Knowledge.
[Fr., from L. volutus, rolled.] A roof or ceiling in the form of an arch, or an underground room with arched roof. A groined vault has the roof groined, or with different cylindrical surfaces intersecting one another.
© 2007-2021 StasoSphere.com