cochineal
n//ˈkɑt͡ʃəˌni(ə)l//koschenillsköldlus, koschenill
(countable) A scale insect of the species Dactylopius coccus, native to the tropical and subtropical Americas, which lives on prickly pear cacti (genus Opuntia).
(uncountable) A vivid red dye made from the dried bodies of cochineal insects.