Word Study
epizoon
WORDNET DICTIONARY
Noun epizoon has 1 sense
- epizoon(n = noun.animal) ectoparasite, ectozoan, ectozoon, epizoan - any external parasitic organism (as fleas); Array is a kind of parasite
has particulars: flea
Derived form adjective epizoan1
OXFORD DICTIONARY
epizoon, n. (pl. epizoa) an animal living on another animal.
Etymology
mod.L (as EPI-, Gk zoion animal)
For further exploring for "epizoon" in Webster Dictionary Online