tamsulosin

noun
tam·​su·​lo·​sin | \ tam-ˈsü-lə-sən How to pronounce tamsulosin (audio) \

Medical Definition of tamsulosin

: an alpha-adrenergic blocking agent administered orally in the form of its hydrochloride C20H28N2O5S·HCl to treat benign prostatic hyperplasia — see flomax