alimentary canal

noun

1. Anatomy, Zoology. a tubular passage functioning in the digestion and absorption of food and the elimination of food residue, beginning at the mouth and terminating at the anus.

noun

1. the tubular passage extending from the mouth to the anus, through which food is passed and digested

n.

1. The mucous membrane-lined tube of the digestive system that extends from the mouth to the anus and through which food passes, digestion takes place, and wastes are eliminated; it includes the pharynx, esophagus, stomach, and intestines.alimentary tract digestive tract

1. The tube or passage of the digestive system through which food passes, nutrients are absorbed, and waste is eliminated. See also digestive tract.