kumquat Meaning, Definition & Usage

  1. noun any of several trees or shrubs of the genus Fortunella bearing small orange-colored edible fruits with thick sweet-flavored skin and sour pulp
    cumquat; kumquat tree.
  2. noun small oval citrus fruit with thin sweet rind and very acid pulp

WordNet

Kum"quat noun
Etymology
Chin. kin keu.
Definitions
  1. (Bot.) A small tree of the genus Citrus (C. Japonica) growing in China and Japan; also, its small acid, orange-colored fruit used for preserves.

Webster 1913