Share this entry
blackleg Syllabification: black·leg
Pronunciation: /ˈblakˌleɡ/

Definition of blackleg in English:


1Any of a number of plant diseases in which part of the stem blackens and decays, in particular.
  • A fungal disease of cabbages and related plants (caused by Leptosphaeria, Pleospora, and other genera).A bacterial disease of potatoes (caused by Erwinia carotovora subsp. atroseptica).
Example sentences
  • This will ensure that any future overcoming of resistance does not result in the complete collapse of the cultivar from blackleg disease as now occurs in some field situations.
  • The models revealed telling facts about the spread of anthracnose, blackleg and black spot.
  • Although numerous studies suggest that seedling and adult blackleg resistances are under different genetic controls, many authors have observed a significant correlation between the two.
2An acute infectious bacterial disease of cattle and sheep, causing necrosis in one or more legs.
  • This disease is caused by Clostridium chauvoei
Example sentences
  • Such other clostridials include black disease, blackleg, braxy, bacterial redwater and tetanus.
  • The researcher said cases of blackleg often increased when animals moved to new pastures.
  • The clinical signs of botulism in cattle are caused by the toxin produced by a bacteria, which is in the same group that causes such familiar diseases as tetanus and blackleg.
3British derogatory A strikebreaker.
[The reason for the name remains unknown]
Example sentences
  • In response to his letter, I wholeheartedly disagree with his comments about ‘scabs’, ‘non-strikers’ and ‘blacklegs’.
  • There was no violence directed against the many blacklegs who drove buses and engaged in other strike-breaking activities.
  • The marital crisis coincides with a miners' strike in which the men are forced to live off a pittance while blacklegs take over their jobs.
Definition of blackleg in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources