/an'tee ven"in, an'tuy-/ , n.
1. an antitoxin present in the blood of an animal following repeated injections of venom.
2. the antitoxic serum obtained from such blood.
[ 1890-95; earlier antiven ( ene ) (ANTI- + venene venenum potion, poison; see VENOM) + -IN 2 ]