The Collaborative International Dictionary of English v.0.48:
Ichthyolatry \Ich`thy*ol"a*try\, n. [Gr. 'ichqy`s, -y`os, a fish + ? to worship.] Worship of fishes, or of fish-shaped idols. --Layard. [1913 Webster]WordNet (r) 3.0 (2006):
ichthyolatry n 1: the worship of fish [syn: ichthyolatry, fish-worship]