noun

• (medicine) An acute and highly contagious disease which often afflicts children caused by the virus Measles morbillivirus and causing red rashes, fever, runny nose, coughing, and red eyes.
• (medicine, obsolete) Any disease causing red rashes.
• (obsolete) Used as an intensifier.
• (veterinary medicine) Synonym of cysticercosis: A disease of livestock or meat caused by the presence of tapeworm larvae.
• (botany, obsolete) Any disease causing a tree's bark to become rough and irregular.
• (US, espionage jargon) A discreet assassination made to look like death from any natural cause.
• (obsolete) Alternative form of mesels: Leprosy.