Emily Dickinson Lexicon

EX'PLI-CATE, v.t. [L. explico, to unfold; ex and plico, to fold; Fr. expliquer; Sp. explicar; It. spiegare.]

1. To unfold; to expand; to open. “They explicate the leaves.” Blackmore. [In this sense, the word is not common, and hardly admissible.]
2. To unfold the meaning or sense; to explain; to clear of difficulties or obscurity; to interpret. The last verse of his last satyr is not yet sufficiently explicated. Dryden.