The Collaborative International Dictionary of English v.0.48:

Peach \Peach\ (p[=e]ch), n. [OE. peche, peshe, OF. pesche, F.
   p[^e]che, fr. LL. persia, L. Persicum (sc. malum) a Persian
   apple, a peach. Cf. Persian, and Parsee.]
   1. (Bot.) A well-known high-flavored juicy fruit, containing
      one or two seeds in a hard almond-like endocarp or stone.
      In the wild stock the fruit is hard and inedible.
      [1913 Webster]

   2. The tree (Prunus Persica syn. Amygdalus Persica) which
      bears the peach fruit.
      [1913 Webster]

   3. The pale red color of the peach blossom, or the light
      pinkish yellow of the peach fruit.
      [PJC]

   Guinea peach, or Sierra Leone peach, the large edible
      berry of the Sarcocephalus esculentus, a rubiaceous
      climbing shrub of west tropical Africa.

   Palm peach, the fruit of a Venezuelan palm tree (Bactris
      speciosa).

   Peach color, the pale red color of the peach blossom.

   Peach-tree borer (Zool.), the larva of a clearwing moth
      (Aegeria exitiosa, or Sannina, exitiosa) of the family
      Aegeriidae, which is very destructive to peach trees by
      boring in the wood, usually near the ground; also, the
      moth itself. See Illust. under Borer.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Sarcocephalus esculentus
    n 1: a stout spreading or semi-climbing tropical shrub with
         round brownish-red warty fruit; Africa [syn: negro peach,
         Sarcocephalus latifolius, Sarcocephalus esculentus]