Appoggiatura(n.) A passing tone preceding an essential tone, and borrowing the time it occupies from that; a short auxiliary or grace note one degree above or below the principal note unless it be of the same harmony; -- generally indicated by a note of smaller size, as in the illustration above. It forms no essential part of the harmony.
Thesaurus Entries
acciaccatura, appoggiatura, baroque, baroqueness, basketry, basketwork, cadence, cadenza, cancellation, chinoiserie, coloratura, cross-hatching, crossing-out, division, elaborateness, elegance, embellishment, fanciness, filigree, fineness, fioritura, flamboyance, flight, floridity, floridness, flourish, floweriness, fret, fretwork, grace, grace note, grate, grating, grid, gridiron, grille, grillwork, hachure, hatching, incidental, incidental note, interlacement, intertexture, intertwinement, lace, lacery, lacework, lacing, lattice, latticework, long mordent, luxuriance, luxuriousness, mesh, meshes, meshwork, mordent, moresque, net, netting, network, ornament, ostentation, overelaborateness, overelegance, overornamentation, passage, plexure, plexus, pralltriller, raddle, reticle, reticulation, reticule, reticulum, richness, riddle, rococo, roulade, run, screen, screening, sieve, single mordent, texture, tissue, tracery, trellis, trelliswork, turn, wattle, weave, weaving, web, webbing, webwork, weft, wicker, wickerwork