za·fir·lu·kast (zə-fîr'lōō-kāst') n. A drug that acts as a leukotriene receptor antagonist, reduces the inflammatory process, and is used to treat the signs and symptoms of asthma.
[zafir-, of unknown origin + -lukast, leukotriene receptor antagonist suff. (from rearrangement of (anti)as(thmatic) l(e)uk(otriene receptor antagonis)t).]
Main Entry: za·fir·lu·kast Pronunciation: z&-'fir-lü-"kast, "za-fir-'lü Function: noun : an anti-asthma drugC31H33N3O6S that is administered orally and tends to inhibit bronchoconstriction caused by certain allergenic substances