Definition of "atari"

In situations like this, beginners often make the mistake of giving an atari, which strengthens only the opponent.

1990 May 25, Jonathan Buss, “Watanabe vs Buss, moves 15-17”, in rec.games.go‎ (Usenet)

... White responds with an atari of her own ...

2003, Peter Shotwell, Go! More Than a Game

The important thing to note is that playing the simple atari first fails ...

2004, John Fairbairn, Invitation to Go