Definition of "blackhead"
blackhead
noun
countable and uncountable, plural blackheads
(uncountable) A form of histomoniasis in poultry, characterized by cyanotic discoloration on the bird's head.
countable and uncountable, plural blackheads
(uncountable) A form of histomoniasis in poultry, characterized by cyanotic discoloration on the bird's head.