Having a train.

Formed or made proficient by training; educated; instructed; exercised; practised: as, a trained eye or judgment; trained nurses.

adjective. Having undergone a course of training (sometimes in combination).

adjective. Manipulated in shape or habit.

verb. Simple past tense and past participle of train.

adjective. shaped or conditioned or disciplined by training; often used as a combining form

"HARRIS: Well, I can tell you this: That right now, they are trained -- U. S.-trained Iraqis who are inside this city using weapons that the military has seized from the Iraqis, and they are patrolling inside the city with AK-47s, rocket-propelled grenades."

untrained  

trained band  

disciplined  drilled  house-trained  housebroken  pot-trained  

Refrained  abstained  arraigned  ascertained  attained  

abreast of  acclimated  acclimatized  accommodated  accomplished  

train