to put down or suppress completely; quell; subdue: to quash a rebellion.
2.
to make void, annul, or set aside (a law, indictment, decision, etc.).
Origin: 1300–50;Middle Englishquashen to smash, break, overcome, suppress < Old Frenchquasser, in part < Latinquassāre to shake (frequentative of quatere to shake; cf. concussion); in part < Late Latincassāre to annul, derivative of Latincassus empty, void
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
"to make void, annul, crush," early 14c., from O.Fr. quasser "to break, smash," from L. quassare "to shatter," frequentative of quatere "to shake" (pp. quassus). Meaning "suppress" is from M.L. quassare "make null and void," from L. cassus "empty, void," influenced by quassare.