(idiomatic) Home-taught manners and social etiquette. / Used other than figuratively or idiomatically: see home, training.

(historical) One of the trains, operating between 1854 and 1929, that transported orphaned and homeless children from crowded Eastern cities of the United States to foster homes located largely in rural areas of the Midwest.

A choke collar. / A shock collar.

plural of training collar

Synonym of toilet-trained

(UK, colloquial) A slow passenger train leaving in the early hours of the morning. / (rail transport) A goods train that carried milk, usually in tank wagons.

A trackless train, made to resemble a real locomotive, used for transporting passengers short distances, and normally used in tourist resorts.

An off-road frozen-surface cargo train pulled by a cat (caterpillar-drive truck) with a trail of ski trailers and sledges

simple past tense and past participle of cross-train

(now historical) A train carrying people’s wages. / A train for which tickets are bought on board rather than at the station beforehand.