| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
robot ro·bot (rō'bət, -bŏt')
n.
A mechanical device that sometimes resembles a human and is capable of performing a variety of often complex human tasks on command or by being programmed in advance.
A machine or device that operates automatically or by remote control.
A person who works mechanically without original thought, especially one who responds automatically to the commands of others.
| robot (rō'bŏt') Pronunciation Key
A machine designed to replace human beings in performing a variety of tasks, either on command or by being programmed in advance. |