Definition of marlberry in US English:

marlberry

noun

US
  • An evergreen shrub or small tree, Ardisia escallonioides (family Myrsinaceae), bearing white flowers and shiny black berries, and occurring in tropical and subtropical America (also "†marlberry-cherry"). Later also: a related shrub, A. japonica, native to Japan and China, with white flowers and pink fruits (rare).

Origin

Late 19th century; earliest use found in Charles Sprague Sargent (1841–1927). Origin uncertain; perhaps from marl, contracted form of marble + berry, or perhaps from marl + berry.

Pronunciation

marlberry

/ˈmɑːlˌb(ə)ri/