| Main Entry: | |
| 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: | ridge |
| 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: | spine |
| Part of Speech: | noun |
| Definition: | backbone |
| Synonyms: | back, bone, chine, rachis, ridge, spinal column, vertebrae, vertebral column |