from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Divination interpreting the appearance and behaviour of fish. A form of augury.
- n. Divination interpreting the entrails of fish. A form of aruspicy.
from the GNU version of the Collaborative International Dictionary of English
- n. Divination by the heads or the entrails of fishes.
from The Century Dictionary and Cyclopedia
- n. Divination by means of the heads or the entrails of fishes.
ichthyo- + -mancy, from Ancient Greek ichthyo- stem from ichthys, a "fish". (Wiktionary)