Definition of overlock in English:

overlock

verb

[WITH OBJECT]
  • Strengthen and prevent fraying of (an edge of cloth) by oversewing it.

    ‘the seams are well stitched and overlocked to prevent fraying’
    • ‘She showed well finished (not just overlocked, but bound) knickerbockers in black, a pink singlet with covered buttons and suspender clips, and a white singlet with a column of buttons down the left.’
    • ‘Thread the serger upper looper with decorative thread, then overlock the mesh edge with a 3-thread rolled hem stitch.’

Pronunciation

overlock

/əʊvəˈlɒk/