pear-shaped

from WordNet (r) 3.0 (2006)

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}, {pear-shaped}]

from The Collaborative International Dictionary of English v.0.48

Pear-shaped \Pear"-shaped`\, a.
   Of the form of a pear.
   [1913 Webster]