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Meaning of antihelix

an•ti•he•lix

Pronunciation: (an"tē-hē'liks, an"tī-), [key]
— pl. -hel•i•ces -he•lix•es.
  1. the inward curving ridge of the auricle of the ear. See diag. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.