Source : Webster's Revised Unabridged Dictionary (1913)

Pubis \Pu"bis\, n. [NL. See {Pubes}.] (Anat.)
   The ventral and anterior of the three principal bones
   composing either half of the pelvis; sharebone; pubic bone.

Source : WordNet®

pubis
     n : one of the three sections of the hipbone; together the two
         pubic bones form the front of the pelvis [syn: {pubic
         bone}, {os pubis}]
     [also: {pubes} (pl)]