The definition of treason as relates to federal law:

Federal. Definition: In Article III, Section 3 of the United States Constitution, treason is specifically limited to levying war against the US, or adhering to their enemies, giving them aid and comfort. Conviction requires two witnesses or a confession in open court.

The definition of treason according to Trump:

Trump. Definition: Any time someone acts or speaks in a way that is contrary to the will of Donald Trump.

Trump wants legislators acting in accordance with their constitutional responsibilities arrested for treason. This is a perfect example of Trump’s panicked reaction to his obvious guilt.