2. To take action towards a goal: The contract negotiations with the union should lead to a settlement of grievances.
2. A length of rope or cord measured from end to end: The lead for the pony was short so the groom could guide it in a circle.
Karin's heart felt like lead when she heard the news of the accident that her friend was in.
2. To have completed action towards a goal: The path up the mountain led to the summit from which we had a glorious view.
In the past, Craig led in this kind of race but now, if he wants to lead, he will have to quit dragging his feet as if they were made of lead.
2. A record, made by the electrocardiograph, which varies with the site of the electrode.
While occupational exposure among workers at smelters or battery recycling plants remains an occasional problem, the greatest public health problem at the present time is exposure of young children to decaying fragments of leaded paint.
2. The generalized nervous disorder marked by symptoms of trembling limbs and muscular rigidity as seen in parkinsonism (a syndrome similar to Parkinson disease; for example, as a side effect of an antipsychotic drug).
Parkinson disease: a slowly progressive neurologic disease characterized by a fixed unexpressive face, a tremor (shaking) when at rest, slowing of voluntary movements, walking with short fast steps, a peculiar posture and muscle weakness, caused by degeneration of an area of the brain called the basal ganglia, and by low production of the neurotransmitter dopamine.
Most patients are over fifty, but at least ten percent are under forty. It is also known as paralysis agitans and shaking palsy.