0 someone who is going past a particular place: --
A passer-by saw smoke and called the fire department.
He came in disguised as a postman, but an alert passerby foiled the crime.
The name was taken from the invective of a hostile passerby during a demonstration.
Proximity sensors can cause false alarms in parking lots when a passerby is entering or exiting their vehicle parked next to the armed car.
The singing mechanism was originally activated by a motion sensor and was originally intended to startle a passerby.
Two bodyguards and a passerby were hurt in that incident, and the car was severely damaged.
He learns from a passerby that the apartment building had been constructed three years previously.
Every passerby joined in the pursuit, went for the attackers and when they were cornered a taxi man, an unarmed citizen, went in and arrested them.
One can call to mind an extreme case, when a bottle was thrown out of a motor car and seriously injured an innocent passerby.