The Collaborative International Dictionary of English v.0.48:

Prelect \Pre*lect"\, v. t. [imp. & p. p. Prelected; p. pr. &
   vb. n. Prelecting.] [L. praelectus, p. p. of praelegere to
   read before. See Pre-, and Lection.]
   To read publicly, as a lecture or discourse.
   [1913 Webster]