having or showing or requiring special skill; "only the most skilled gymnasts make an Olympic team"; "a skilled surgeon has many years of training and experience"; "a skilled reconstruction of her damaged elbow"; "a skilled trade"
shaped or conditioned or disciplined by training; often used as a combining form; "a trained mind"; "trained pigeons"; "well-trained servants"
having acquired necessary skills by e.g. undergoing a course of study; "a trained nurse"; "a trained voice"; "trained manpower"; "psychologically trained workers"