Looking for the meaning or definition of the word but for? Here's what it means.
Preposition
Except, except for, not counting; were it not for.
Adjective
(law) Pertaining to a test of causation whereby an agent or action is considered to have caused an event (and therefore to be responsible and/or liable for said event) if, had said agent or action not existed, the event would not have taken place.
