Definition of soul mass in US English:

soul mass

noun

  • A mass said for the soul of a dead person. Compare "requiem". Now historical.

Origin

Middle English; earliest use found in St. Thomas Becket. From soul + mass. Compare Middle Dutch sielmisse, zielmisse (Dutch zielmis), Middle Low German sēlmisse, sēlemisse, Middle High German sēlmësse (German Seelenmesse), Old Icelandic sálumessa, Old Swedish siälamässa (Swedish själamässa), Old Danish, Danish sjaelemesse.

Pronunciation

soul mass

/ˈsəʊl mas/