The Collaborative International Dictionary of English v.0.48:

Bartlett \Bart"lett\, n. (Bot.)
   A Bartlett pear, a favorite kind of pear, which originated in
   England about 1770, and was called Williams'
   Bonchr['e]tien. It was brought to America, and distributed
   by Mr. Enoch Bartlett, of Dorchester, Massachusetts.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Bartlett
    n 1: United States explorer who accompanied Peary's expedition
         to the North Pole and who led many other Arctic trips
         (1875-1946) [syn: Bartlett, Robert Bartlett, Robert
         Abram Bartlett, Captain Bob]
    2: United States publisher and editor who compiled a book of
       familiar quotations (1820-1905) [syn: Bartlett, John
       Bartlett]
    3: juicy yellow pear [syn: bartlett, bartlett pear]