simple past tense and past participle of train
"After she trained for six months at the local gym, she finally ran her first marathon without stopping."
In plain English: To be trained means to have been taught specific skills through practice and instruction.
"The dog was trained to sit when people visit."
shaped or conditioned or disciplined by training; often used as a combining form
"a trained mind"
"trained pigeons"
"well-trained servants"
Having undergone a course of training (sometimes in combination).
"The rescue dog was trained to retrieve lost hikers from deep snowdrifts before heading out on patrol."
In plain English: Trained means having learned specific skills through practice and instruction.
"The trained detective solved the case quickly."
Usage: Use trained to describe someone or something that has received specific instruction, such as a trained dog or a trained employee. It is often paired with other adjectives like well-trained to emphasize the quality and extent of their preparation.
Derived from Old French trainer (to drag, draw), it originally meant to pull or lead by a rope before evolving in English to mean educated through practice. The past participle form reflects this history of being drawn into skill rather than merely pulled physically.