The Collaborative International Dictionary of English v.0.48:

Rabate \Ra*bate"\ (r[.a]*b[=a]t"), v. t. [F. rabattre to beat
   down; pref. re- + abattre. See Abate, and cf. Rebate, v.]
   (Falconry)
   To recover to the fist, as a hawk. [Obs.]
   [1913 Webster]