Medical Definition of salmeterol
: a bronchodilator administered by oral inhalation in the form of a salt C25H37NO4·C11H8O3 to treat bronchospasm associated especially with asthma and chronic obstructive pulmonary disease ◆Salmeterol acts as an agonist, binding to beta-receptors that mediate the relaxation of bronchial muscles. When used in combination with fluticasone, it is marketed under the trademark Advair.
Seen and Heard
What made you want to look up salmeterol? Please tell us where you read or heard it (including the quote, if possible).