† conquassate,v.Obs.rare. [f.ppl. stem of L. conquassāre, f.con- intensive + quassāre, freq. of quatĕre to shake.] To shake violently. 1656Blount Glossogr., Conquassate, to shake, dash, or break in peeces.1666G. Harvey Morb. Angl. xx. 247 Vomits do violently conquassate the Lungs.