Definition of hailer in English:

hailer

noun

  • See hail

    • ‘I can't understand the warnings over the hailer.’
    • ‘The street vendors, the business suits on smoke breaks, the cell phones, the cab hailers, the noises.’
    • ‘Protesters may follow the hunt, on condition that loud trumpets, drums and hailers are replaced by muted clarinets or harps.’
    • ‘The people answering the door, feeling a tad lonely, and a little concerned at the mental health of these door to door hailers.’
    • ‘Student strikes are disrupting college campuses, where old protest anthems like ‘We Shall Overcome’ mix with the tinny sound of speeches belted out over load hailers.’