a wooden or stone lintel over the opening of a fireplace.
a masonry arch used in place of such a lintel.
Origin of manteltree
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a beam made of stone or wood that forms the lintel over a fireplace
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