The term 'clamoured' can be defined as a loud and persistent demand or call for something. It is often used to describe a situation in which people are making a lot of noise in order to get their demands met. The crossword solution for this term is 'roared', which means to make a loud, deep sound. This is an appropriate description for the term 'clamoured' because it implies that the demand or call was made with a great deal of volume and intensity.