Definition of Marymass in English:

Marymass

(also Marymess, Marymas, Mair'mas)

noun

dialect
  • In Irvine, Ayrshire, Scotland: a festival held on the third Saturday after the first Monday in August, to commemorate a visit by Mary, Queen of Scots (1542–87), to the town in 1563.

Origin

Middle English (in an earlier sense). From the name of the Virgin Mary + mass.

Pronunciation

Marymass

/ˈmɛːrɪmas/