The Collaborative International Dictionary of English v.0.48:

Latitant \Lat"i*tant\, a. [L. latitans, pr. of latitare to lie
   hid, to lurk, v. intens. fr. latere to be hid: cf. F.
   latitant.]
   Lying hid; concealed; latent. [R.]
   [1913 Webster]