To betray by double-dealing. double-cross
1. Lâcher.
2. Abandonner. Trahir un ami.
3. Révéler. Trahir un secret.
4. Dénaturer. Trahir la pensée de quelqu'un.
An act of betrayal; SYN. double-crossing.
A cross between first-generation hybrids of four separate inbred lines (as in the production of hybrid seed corn).