Definition of firstclass in English English dictionary
Of the best class; of the highest rank; in the first division; of the best quality; first-rate; as, a first-class telescope
A Soft Arc server software product that gives a company or organisation facilities for internet and intranet capabilities without reliance on an access provider
FirstClass is an easy to use communication system for Windows and Macintosh computers With FirstClass you can send and receive electronic mail, share files, use electronic conferencing and participate in on-line chats FirstClass can be accessed via the Internet, or via dial-up modem