a crystalline amine, CHNO, found in ergot, cheeses, mistletoe, etc., and formerly used in the treatment of hypotension
See tyramine in American Heritage Dictionary 4
(tīˈrə-mēnˌ)
noun
A colorless crystalline amine, C8H11NO, found in mistletoe, putrefied animal tissue, certain cheeses, and ergot and also produced synthetically, used in medicine as a sympathomimetic agent.