2011 Florida Statutes 313.21 – Definition Current as of: 2011 | Check for updates | Other versions As used in ss. 313.21–313.24, “port” means a port authority or port district, as defined in s. 315.02, or a port operation as provided in s. 125.012. Ask a legal question, get an answer ASAP!Click here to chat with a lawyer about your rights. s. 9, ch. 90-54.