water lemon Meaning, Definition & Usage

  1. noun the edible yellow fruit of the Jamaica honeysuckle
    bell apple; sweet cup; yellow granadilla.

WordNet

Wa"ter lem"on
Definitions
  1. (Bot.) The edible fruit of two species of passion flower (Passiflora laurifolia, and P. maliformis); -- so called in the West Indies.

Webster 1913