SMASH

[noun] [C]The cars collided with a loud smash.In tennis, a smash is made by hitting the ball down quickly and forcefully from a position high above the head.Heacock won the match with a powerful smash from the baseline.A smash or a smash-up is a road or train accident.He hasn't driven since his car smash two years ago.The inquiry will establish whether the smash was due to driver error or signal failure.There was a terrible smash-up on the motorway this morning.