Ich'thy·o·man`cy noun [ Greek 'ichqy`s , -y`os , a fish + -mancy : confer French ichthyomancie .] Divination by the heads or the entrails of fishes. Found on http://www.encyclo.co.uk/webster/I/2
ichthyomancy, ichthyomantic 1. Divination by means of the heads or entrails of fishes. 2. Divination by examining the heads and/or entrails of fish for prophetic signs or processing the next fish caught. Found on http://www.wordinfo.info/words/index/info/view_unit/2511/2