Definitions
1.nounMespilus germanica, common medlar (now often Crataegus germanica)
2.nounAny tree of the genus Mespilus, now often Crataegus sect. Mespilus, including many species now in other genera.
3.nounAny of several similar trees that bear similar fruit
4.nounThe fruit of such trees, similar to small apples
5.noun(derogatory, intended sexually) A woman or a woman's genitalia (as the fruit's appearance mimics an "open-arse")