Definitions for ichthyologyˌɪk θiˈɒl ə dʒi
Random House Webster's College Dictionary
ich•thy•ol•o•gyˌɪk θiˈɒl ə dʒi(n.)
the branch of zoology dealing with fishes.
Origin of ichthyology:
the branch of zoology that studies fishes
The branch of zoology devoted to the study of fish.
the natural history of fishes; that branch of zoology which relates to fishes, including their structure, classification, and habits