noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A system of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and expels the remaining waste.
2. 2
   tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination wordnet

Synonyms

All synonyms

alimentary canalalimentary tractdigestive systemdigestive systemsdigestive tubegastrointestinal tract