| Main Entry: | |
| Part of Speech: | noun |
| Definition: | raised part of solid |
| Synonyms: | backbone, chine, corrugation, crease, crinkle, elevation, esker, fold, furrow, hill, hogback, moraine, parapet, plica, pole, range, rib, rim, rimple, rivel, ruck, seam, spine, upland, wrinkle |
| Antonyms: | flat, plain |
| Main Entry: | corner |
| Part of Speech: | noun |
| Definition: | angle |
| Synonyms: | V, Y, bend, branch, cloverleaf, crook, crossing, edge, fork, intersection, joint, junction, projection, ridge, rim, shift, veer |
| Main Entry: | crease |
| Part of Speech: | noun |
| Definition: | fold, wrinkle |
| Synonyms: | bend, bulge, cockle, corrugation, furrow, groove, line, overlap, pleat, plica, pucker, ridge, rimple, rivel, ruck, rugosity, tuck |
| Main Entry: | crease |
| Part of Speech: | verb |
| Definition: | fold, rumple |
| Synonyms: | bend, cockle, corrugate, crimp, crinkle, crumple, dog-ear, double up, plait, pleat, pucker, purse, ridge, ruck up, screw up, wrinkle |
| Main Entry: | crest |
| Part of Speech: | noun |
| Definition: | highest point |
| Synonyms: | acme, apex, apogee, climax, crescendo, crown, culmination, fastigium, head, height, noon, peak, pinnacle, ridge, roof, summit, top, vertex |
| Notes: | a wave's foamy top is its crest; spray blown up from wave tops is spindrift |
| Antonyms: | bottom, nadir |
| Main Entry: | crest |
| Part of Speech: | noun |
| Definition: | topknot on head of animal |
| Synonyms: | aigrette, caruncle, chine, cockscomb, comb, crown, feather, hogback, mane, panache, plume, ridge, tassel, tuft |
| Notes: | a wave's foamy top is its crest; spray blown up from wave tops is spindrift |
| Main Entry: | dent |
| Part of Speech: | verb |
| Definition: | chip, scrape, depress |
| Synonyms: | dig, dimple, dint, furrow, gouge, hollow, imprint, indent, make concave, mark, nick, notch, perforate, pit, press in, push in, ridge, scratch |
| Antonyms: | bulge |
| Main Entry: | dune |
| Part of Speech: | noun |
| Definition: | hill |
| Synonyms: | hillock, hummock, knoll, ridge, sand drift, sand dune, sand pile |
| Main Entry: | elevation |
| Part of Speech: | noun |
| Definition: | height; high ground |
| Synonyms: | acclivity, altitude, ascent, boost, eminence, heave, hill, hillock, hoist, levitation, mountain, platform, ridge, rise, roof, top, uplift, upthrow |
| Notes: | an elevation is a two-dimensional scale drawing of something as if one were viewing it from one side; a section is a two-dimensional scale drawing of one part or detail of an object or structure; and a plan is a two-dimensional scale drawing showing the view of an object or structure as if one were looking down on it from above |
| Antonyms: | depression, lowness |