The Collaborative International Dictionary of English v.0.48:

Oviposit \O`vi*pos"it\, v. i. [imp. & p. p. Oviposited; p. pr.
   & vb. n. Ovipositing.] [See Ovum, and Posit.]
   To lay or deposit eggs; -- said esp. of insects.
   [1913 Webster]