a cast of the face of a living person.
Compare death mask.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for life mask
Historical Examples of life mask
He had already, only a month before, made the life-mask of Lincoln that became so well and favorably known.
The circumstances and incidents attending the taking of this life-mask, as narrated by Mr. Volk, are well worth reproducing here.
a cast taken from the face of a living person, usually using plaster of Paris
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