Source : Webster's Revised Unabridged Dictionary (1913)

Pear-shaped \Pear"-shaped`\, a.
   Of the form of a pear.

Source : WordNet®

pear-shaped
     adj 1: having a round shape tapered at one end
     2: (of sounds) full and rich; "orotund tones"; "the rotund and
        reverberating phrase"; "pear-shaped vowels" [syn: {orotund},
         {rotund}, {round}]