The state, quality, or condition of being conducive.

A large wagon used to carry a band of musicians in a parade. / (figuratively) A current movement that attracts wide support.

The introduction of unrelated breeding stock to an existing population, especially one which is inbred or homogeneous. / A plant or animal produced by such methods.

(aviation) A Boeing airplane model, number seven thirty-seven, sold to airlines for passenger or cargo transportation.