Carpal tunnel syndrome is numbness, tingling, weakness, and other problems in your hand because of pressure on the median nerve in your wrist. The median nerve and several tendons run from your forearm to your hand through a small space in your wrist called the carpal tunnel. The median nerve controls movement and feeling in your thumb and first three fingers (not your little finger). Pressure on the median nerve causes carpal tunnel syndrome.
Astronomy. 1  Also called period of rotation. the time in which a body rotates once on its axis. 2  Also called period of revolution. the time in which a planet or satellite revolves once about its primary.
Era definition, a period of time marked by distinctive character, events, etc.: The use of steam for power marked the beginning of an era. See more.