01 n. One of the artificial group of invertebrates of various kinds, which live parasitically upon the exterior of other animals; an ectozoön. Am…
pl.
Epizoa ((#))
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1.
One of the artificial group of invertebrates of various kinds, which live parasitically upon the exterior of other animals; an ectozoön. Among them are the lice, ticks, many acari, the lerneans, or fish lice, and other crustaceans.(Zoöl.)