pastille

Short definition from Wiktionary

Noun

1. 1
   An often round and somewhat flat flavoured candy or sweet.
2. 2
   Any small, usually round and somewhat flat, granular piece of material; a tablet.
3. 3
   Any small, usually round and somewhat flat, granular piece of material; a tablet: A small pellet containing aromatic substances, burned to diffuse a fragrance or to disinfect or fumigate.
4. 4
   A medicinal pill, originally made of compressed herbs.
5. 5
   A 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.
6. 6
   Nonstandard spelling of pastel (“crayon made from a type of dried paste; drawing made using such crayons”).