a pass is caught by a defensive player (an "interception");
a defensive player establishes possession of a pass (an “interception”);
If a defender from Team A intercepts a pass while airborne and throws the disc before the contact the ground, and the pass is incomplete, that is a turnover by Team A and Team B would become the team is possession.A defender can intentionally hit a pass towards their endzone, but if they subsequently contact the disc before it hits the ground, this is a travel as per rule 18.2.5.5.