The Collaborative International Dictionary of English v.0.48:

Altercate \Al"ter*cate\, v. i. [imp. & p. p. Altercated; p.
   pr. & vb. n. Altercating.] [L. altercatus, p. p. of
   altercare, altercari, fr. alter another. See Alter.]
   To contend in words; to dispute with zeal, heat, or anger; to
   wrangle.
   [1913 Webster]