1. Any acute clinical event, related to impairment of cerebral circulation, that lasts longer than 24 hours. Syn: apoplexy, brain attack.
2. A harmful discharge of lightning, particularly one that affects a human being.
3. A pulsation.
4. To pass the hand or any instrument gently over a surface. See Also: stroking.
5. A gliding movement over a surface.
Reference: Stedman's Medical Dictionary