Source : Webster's Revised Unabridged Dictionary (1913)

Pelvis \Pel"vis\, n. [L., a basin, laver; cf. Gr. ?, ?, bowl.]
   1. (Anat.) The pelvic arch, or the pelvic arch together with
      the sacrum. See {Pelvic arch}, under {Pelvic}, and
      {Sacrum}.

   2. (Zo["o]l.) The calyx of a crinoid.

   {Pelvis of the kidney} (Anat.), the basinlike cavity into
      which the ureter expands as it joins the kidney.