Digestive

Part of speech: noun (n.)

1. That which aids digestion, as a food or medicine. Chaucer. That digestive [a cigar] had become to me as necessary as the meal itself. Blackw. Mag.

2. A substance which, when applied to a wound or ulcer, promotes suppuration. Dunglison.

3. A tonic. [R.]

Part of speech: adjective (a.)

Pertaining to digestion; having the power to cause or promote digestion; as, the digestive ferments. Digestive cheese and fruit there sure will be. B. Jonson. Digestive apparatus, the organs of food digestion, esp. the alimentary canal and glands connected with it. -- Digestive salt, the chloride of potassium.