trans·fix·ion \-kshən\noun (-s) Etymology: Late Latin transfixion-, transfixio, from Latin transfixus + -ion-, -io -ion 1.: an act, process, or instance of transfixing or of being transfixed < there was only silence and transfixion in the gray world above the forests — J.R.Ullman > 2.: a piercing of a part of the body (as by a suture, nail, or other device) in order to fix it in position