THESAURUS
Indentation
alveolation, alveolus, blaze, boss, bump, cleft, colophon, concavity, convexity, crena, cut, dactylogram, dactylograph, dent, depression, digging, dimple, dint, embossment, engraving, excavation, excrescence, feel, fingerprint, finish, footmark, footprint, footstep, fossil footprint, furrow, gash, gouge, grain, granular texture, hack, hollow, honeycomb, ichnite, ichnolite, impress, impression, imprint, incision, indent, indention, indenture, jag, jog, joggle, kerf, knub, lump, mark, mining, nap, nick, nock, notch, nub, pad, paw print, pawmark, pile, pimple, pit, pock, pockmark, print, protuberance, pug, pugmark, score, scotch, seal, shag, sigil, signet, stamp, step, structure, stud, sunken part, surface, surface texture, texture, thumbmark, thumbprint, vestige, wale, weave, woof
ROGET THESAURUS
Indentation
Concavity
N
concavity, depression, dip, hollow, hollowness, indentation, intaglio, cavity, dent, dint, dimple, follicle, pit, sinus, alveolus, lacuna, excavation, strip mine, trough, honeycomb, cup, basin, crater, punch bowl, cell, socket, valley, vale, dale, dell, dingle, combe, bottom, slade, strath, glade, grove, glen, cave, cavern, cove, grot, grotto, alcove, cul-de- sac, gully, arch, bay, excavator, sapper, miner, honeycomb (sponge), depressed, alveolate, calathiform, cup-shaped, dishing, favaginous, faveolate, favose, scyphiform, scyphose, concave, hollow, stove in, retiring, retreating, cavernous, porous, infundibul, infundibular, infundibuliform, funnel shaped, bell shaped, campaniform, capsular, vaulted, arched.
Notch
N
notch, dent, nick, cut, indent, indentation, dimple, embrasure, battlement, machicolation, saw, tooth, crenelle, scallop, scollop, vandyke, depression, jag, notched, crenate, crenated, dentate, dentated, denticulate, denticulated, toothed, palmated, serrated.