(My). My solitude, my place of banishment from society,
my out-of-the-way home. As
“Good-b'ye, I must go to my Patmos.” The allusion, of course, is to
the banishment of St. John to the island of Patmos, in the reign of
Domitian.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
