The Collaborative International Dictionary of English v.0.48:
Explicate \Ex"pli*cate\, v. t. [imp. & p. p. Explicated; p. pr. & vb. n. Explicating.] 1. To unfold; to expand; to lay open. [Obs.] "They explicate the leaves." --Blackmore. [1913 Webster] 2. To unfold the meaning or sense of; to explain; to clear of difficulties or obscurity; to interpret. [1913 Webster] The last verse of his last satire is not yet sufficiently explicated. --Dryden. [1913 Webster]