Coscinomancy is a form of divination utilising a sieve and shears, used in ancient Greece, medieval and early modern Europe and 17th century New England, to determine the guilty party in a criminal offense, find answers to questions, etc. The term comes into English via both New Latin and Medieval Latin coscinomantia, and is ultimately derived fro...
divination using a sieve and a pair of shears
Cos·cin'o·man`cy noun [ Greek ............ sieve + -mancy .] Divination by means of a suspended sieve. 
Coscinomancy is divination by means of a sieve held on a pair of shears.