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Meaning of hypothenar

hy•poth•e•nar

Pronunciation: (hī-poth'u-när", -nur, hī"pu-thē'nur), [key]
— Anat. Anat.
—n.
  1. the fleshly prominence on the palm at the base of the little finger.
—adj.
  1. of, pertaining to, or situated on the hypothenar.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.