The former name for the north coast of South America between the Orinoco River and Panama and adjoining parts of the Caribbean Sea when they were under Spanish control.
Definition of Spanish Main in US English:
Spanish Main
proper nounˌspænɪʃ ˈmeɪnˌspaniSH ˈmān
The former name for the north coast of South America between the Orinoco River and Panama and adjoining parts of the Caribbean Sea when they were under Spanish control.