Pastille

pastilla

(small, usually round and somewhat flat, granular piece of material — see also tablet)

pastilla

(small pellet containing aromatic substances, burned to diffuse a fragrance or to disinfect or fumigate)

pastilla

(medicinal pill)

pastilla

(candy- or sweet-like lozenge, which, when sucked, releases substances that soothe a sore throat, and sometimes vapours to help unblock the nose or sinuses)