collatitious adjective2 •(no longer used) Characterised by the contributions of many people.The Greeks and Romans[…]had certain entertainments which they called collatitious feasts, where every guest that was invited contributed his share to the repast. — 1806 •(no longer used) Relating to the digestive system and other associated organs, such as the liver and pancreas.nor was there any morbid alteration in the collatitious organs. — 1848