[ blak-hahrt ]
/ ˈblækˌhɑrt /


Plant Pathology. a nonparasitic disease of plants, as of potatoes and various trees, in which internal plant tissues blacken, usually as a result of extremes in temperature.
  1. a heart cherry having a dark skin.
  2. the tree bearing this fruit.

Origin of blackheart

First recorded in 1700–10; black + heart Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blackheart

  • Well, chuckled the old man over the ancient joke, hes the colour of a blackheart cherry.

    Carolyn of the Corners|Ruth Belmore Endicott

British Dictionary definitions for blackheart


/ (ˈblækˌhɑːt) /


an abnormal darkening of the woody stems of some plants, thought to be caused by extreme cold
any of various diseases of plants, such as the potato, in which the central tissues are blackened
a variety of cherry that has large sweet fruit with purplish flesh and an almost black skin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012