Definition of pigeon plum in US English:

pigeon plum

noun

  • Any of several trees of the tropical genus Coccoloba (family Polygonaceae); especially C. diversifolia of Florida and the Caribbean, which has a fleshy edible fruit and is allied to the sea grape, C. uvifera.

Origin

Mid 18th century; earliest use found in Mark Catesby (1683–1749), naturalist. From pigeon + plum.

Pronunciation

pigeon plum

/ˈpɪdʒ(ɪ)n ˌplʌm/