The Collaborative International Dictionary of English v.0.48:

Retrude \Re*trude"\, v. t. [imp. & p. p. Retruded; p. pr. &
   vb. n. Retruding.] [L. retrudere; re- + trudere to thrust.]
   To thrust back. [R.] --Dr. H. More.
   [1913 Webster]