Definition of supplications:
(n) :
An act of supplicating; a humble request.
(n) :
A prayer or entreaty to a god.
(n) :
(Islam) du'a', minor or private prayer performed individually.
(n) :
The process by which a doctorate at Oxford university is officially requested after a thesis has been approved.
(n) :
(historical) In Ancient Rome, a solemn service or day decreed for giving formal thanks to the gods for victory, etc.