σκῐᾱγρᾰφ-ία · skiagraph-ia — LSJ
painting with the shadows, scene-painting
painting with the shadows (cf. σκιαγραφέω), so as to produce an illusion of solidity at a distance, scene-painting, σ. ἀσαφεῖ καὶ ἀπατηλῷ χρώμεθα Pl. Criti. 107d; σκιαγραφίαν ἀρετῆς περιγραπτέον Id. R. 365c, cf. 602d, Phd. 69b, Numen. ap. Eus. PE 14.5, 26; ἡ σ. καὶ τὰ ἐνύπνια, compared as being both illusory, Arist. Metaph. 1024b23; ἡ δημηγορικὴ λέξις ἔοικε τῇ σ., i.e. in being calculated for effect, Id. Rh. 1414a8, cf. D.C. 52.7.