- a Requiem Mass said on the thirtieth day after a person's death or burial.
Origin of month's mind
1425–75; late Middle English moneth mynde
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- RC Church a Mass celebrated in remembrance of a person one month after his death
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