manteltree

or man·tle·tree

[ man-tl-tree ]
/ ˈmæn tlˌtri /

noun

a wooden or stone lintel over the opening of a fireplace.
a masonry arch used in place of such a lintel.

Origin of manteltree

late Middle English word dating back to 1425–75; see origin at mantel, tree
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for manteltree

manteltree

mantletree

/ (ˈmæntəlˌtriː) /

noun

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