Ex·pound v. t. [imp. & p. p. Expounded; p. pr. & vb. n. Expounding.]
1. To lay open; to expose to view; to examine. [Obs.]
He expounded both his pockets. --Hudibras.
2. To lay open the meaning of; to explain; to clear of obscurity; to interpret; as, to expound a text of Scripture, a law, a word, a meaning, or a riddle.
Expound this matter more fully to me. --Bunyan.