pastille Play nounA small medicated or flavored tablet; a troche.nounA tablet containing aromatic substances that is burned to fumigate or deodorize the air.nounA pastel paste or crayon.See pastil.nounA soft flavoured candy.nounA medicinal pill, originally compressed herbs. A throat pastille is a large candy-like lozenge, which, when sucked, releases oils to soothe a sore throat and sometimes vapors to help unblock the nose or sinuses.nounA small granular half spheroid piece of material.nouna medicated lozenge used to soothe the throat