The musical instrument is spelled cymbal.
Symbols are objects, characters, or other concrete representations of ideas, concepts, or other abstractions. For example, in the United States, Canada, Australia and Great Britain, a red octagon is a symbol for the traffic sign meaning "STOP".Common examples of symbols are the symbols used on maps to denote places of interest, such as crossed sabers to indicate a battlefield, and the numerals used to represent numbers. Common psychological symbols are the use of a gun to represent a penis or a tunnel to represent a vagina. David G. Myers, Psychology, Worth Publishers; 7th edition (June 6, 2004) ISBN 0716752514 ISBN-13 978-0716752516, p. 282 See: phallic symbol and yonic symbol.All languages are made up of symbols. The word "cat", whether spoken or written, is not a cat, but is a symbol for a cat.
Etymology
The word "symbol" came to the English language by way of Middle English, from Old French, from Latin, from the Greek ???????? (sÃ
Source:
http://en.wikipedia.org/wiki/Symbol