The Collaborative International Dictionary of English v.0.48:

vives \vives\ (v[imac]vz), n. [OF. vives, F. avives (cf. Sp.
   abivas, adiva) fr. Ar. ad-dh[imac]ba. Cf. Fives vives.]
   (Far.)
   A disease of brute animals, especially of horses, seated in
   the glands under the ear, where a tumor is formed which
   sometimes ends in suppuration.
   [1913 Webster]