cornicing|ˈkɔːnɪsɪŋ| Also 7 -ishing. [f. as cornicement + -ing1.] Work consisting of a cornice or cornices. 1677Plot Oxfordsh. 75 Door-cases, Cornishing, Mouldings, etc.1882Shorthouse J. Inglesant (ed. 2) II. v. 129 Between the rich pilasters and cornicing which adorned the front of the villa.