a Mass that is said, and not sung, by the celebrant, who is assisted by one server, and which has less ceremonial form than a High Mass, using no music or choir.
Compare High Mass.
Origin of Low Mass
First recorded in 1560–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for low mass
a Mass that has a simplified ceremonial form and is spoken rather than sungCompare High Mass
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