IDEO-MOTOR a.
Applied to those actions, or muscular movements, which are automatic expressions of dominant ideas, rather than the result of distinct volitional efforts, as the act of expressing the thoughts in speech, or in writing, while the mind is occupied in the composition of the sentence. Carpenter.
LINK MOTION n.
A valve gear, consisting of two eccentrics with their rods, giving motion to a slide valve by an adjustable connecting bar, called the link, in such a way that the motion of the engine can be reversed, or the cut-off varied, at will; -- used very generally in locomotives and marine engines.