EPI- n.
A prefix, meaning upon, beside, among, on the outside, above, over. It becomes ep- before a vowel, as in epoch, and eph- before a Greek aspirate, as in ephemeral.
EPIZOON; EPIZOOEN n.
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.
EQUITABLE a. 2 definitions
That can be sustained or made available or effective in a court of equity, or upon principles of equity jurisprudence; as, an equitable estate; equitable assets, assignment, mortgage, etc. Abbott.