meadow foxtail: stout erect perennial grass of northern parts of Old World having silky flowering spikes; widely cultivated for pasture and hay; naturalized in North America
foxtail: grasses of the genera Alopecurus and Setaria having dense silky or bristly brushlike flowering spikes
alimentary canal: tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination