This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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

adj. Manipulated in shape or habit.

v. Simple past tense and past participle of train.

Having a train.

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

adj. 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."

to train up    train of rolls   

trained    training    trainning    trains   

instruct    learn    teach    exercise    work out    procession    series    piece of cloth    piece of material    aftermath   

tail    procession    series    set    retinue    sequel    aim    train of artillery    rolling-mill train    to train a scent   

railroad train   

trail    drag    entice    allure    educate    exercise    discipline    cars    allurement    snare   

Alane    Aquitaine    Ayn    Bahrain    Biscayne    Blaine    Cain    Chain    Champagne    Champaign   

service    operation    plan    education    practice    equipment    team    skill    latter    check/mo