Definition of tip-up in English:

tip-up

noun

North american
  • A device used in ice fishing in which a wire attached to the rod is tripped, raising a signal flag, when a fish takes the bait.

    • ‘The lazy man's approach is to use a spring loaded tip-up but that is about as much fun as watching paint dry.’
    • ‘If you are energetic an have a second hole you can also use a tip-up.’

Pronunciation:

tip-up

/ˈtip ˌəp/