Definition of en prise in English:

en prise

adjective

Chess
  • [predicative] (of a piece or pawn) in a position to be taken.

    [as complement] ‘I had her knight en prise’
    • ‘Instead of capturing a Rook, Black puts a Bishop en prise, with check, on an unguarded square.’
    • ‘For example, if Player A leaves a queen en prise, the opponent will quickly grab it and wreck A's game.’
    • ‘But I do it anyway, because when I look methodically at all the squares attacked beyond the fourth rank, sometimes I see something actually useful, like a back rank mate or a queen en prise.’

Origin

Early 19th century: French.

Pronunciation:

en prise

/ɒ̃ ˈpriːz/