hay fever

== English == === Alternative forms === hay-fever hayfever === Etymology === First attested by John Bostock in 1819. The smell of hay in the summer was thought to be the origin of the condition. === Pronunciation === === Noun === hay fever (usually uncountable, plural hay fevers) (pathology, immunology) An allergy to the pollen of grass or other plants that causes symptoms similar to those of a cold; pollinosis. ==== Synonyms ==== allergic rhinitis hay asthma hay cold pollinosis rose fever ==== Derived terms ==== ==== Translations ==== === References ===