Definitions
1.nounA male or female attendant who serves customers at their tables in a restaurant, café or similar."Waiter! There's a fly in my soup."
2.nounSomeone who waits for somebody or something; a person who is waiting.
3.nounA person working as an attendant at the London Stock Exchange.
4.nounA vessel or tray on which something is carried, as dishes, etc.; a salver. (See etymology of dumbwaiter.)
5.nounA custom house officer; a tide waiter.
6.nounA watchman.