manioc UK /ˈmæ.ni.ɒk/US /ˈmæ.niˌɑk/ noun3 •The tropical plant Manihot esculenta, from which tapioca is prepared; cassava, yuca.The selection process leading to the bitter group of maniocs has been in terms of higher starch yield and in terms of starch of a quality more appropriate for making bread ans flour. — 1977 •Cassava root, eaten as a food.In the morning, after a frugal breakfast of coffee and manioc - we had to be economical of our stores - we held a council of war as to the best method of ascending to the plateau above us. — 1912 •A food starch prepared from the root. formsmaniocs