Webster's Revised Unabridged Dictionary · 1913

Medlar

Medlar , noun

[Old English medler medlar tree, Old French meslier, French néflier, Latin mespilum, mespilus, Greek {not transcribed}, {not transcribed}. Compare Naseberry.]

A tree of the genus Mespilus (Mespilus Germanica); also, the fruit of the tree. The fruit is something like a small apple, but has a bony endocarp. When first gathered the flesh is hard and austere, and it is not eaten until it has begun to decay.
Collocations (2)
Japan medlar (Botany) , the loquat. See Loquat.
Neapolitan medlar (Botany) , a kind of thorn tree (Crataegus Azarolus); also, its fruit.