Lewis & Short

explĭcātĭo, ōnis, f. [explico], an unfolding, uncoiling (for the most part only in Cic.).

  1. * I. Lit.: est quasi rudentis explicatio, Cic. Div. 1, 56, 127.
  2. II. Trop. of speech, an unfolding, expounding, an explication, exposition, explanation: multum ad ea, quae quaerimus, explicatio tua ista profecerit, Cic. Fin. 3, 4, 14: naturae, id. Div. 2, 63, 129: explicatio fabularum et enodatio nominum, id. N. D. 3, 24, 62: illustris perpolitaque, id. de Or. 2, 27, 120: mira in disserendo, id. Brut. 38, 143: difficilior, Quint. 1, 10, 49: inflata, Sen. Ep. 114.