Avocado pear

from WordNet (r) 3.0 (2006)

avocado pear
    n 1: a pear-shaped tropical fruit with green or blackish skin
         and rich yellowish pulp enclosing a single large seed [syn:
         {avocado}, {alligator pear}, {avocado pear}, {aguacate}]

from The Collaborative International Dictionary of English v.0.48

Avocado \Av`o*ca"do\, n. [Corrupted from the Mexican ahuacatl:
   cf. Sp. aguacate, F. aguacat['e], avocat, G. avogadobaum.]
   The pulpy fruit of {Persea gratissima}, a tree of tropical
   America. It is about the size and shape of a large pear; --
   called also {avocado pear}, {alligator pear}, {midshipman's
   butter}.
   [1913 Webster]