colon meaning and definition

COLON noun

Definition of colon (noun)

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