Read the dictionary definition of colon. All definitions for this word.
1. the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted
2. a punctuation mark (:) used after a word introducing a series or an example or an explanation (or after the salutation of a business letter)
3. a port city at the Caribbean entrance to the Panama Canal
4. the basic unit of money in Costa Rica; equal to 100 centimos
5. the basic unit of money in El Salvador; equal to 100 centavos