noun Now Rare.

the art or science of fishing.

Origin of piscatology

1865–70; piscat(or) or piscat(ory) + -o- + -logy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for piscatology

1867, a hybrid from Latin piscatus, past participle of piscari "to fish," from pisces "a fish" (see fish (n.)) + -ology.

Online Etymology Dictionary, © 2010 Douglas Harper