Definition of bulk mail in English:
noun[mass noun] North American
A category of mail for sending out large numbers of identical items at a reduced rate.
- What you are concerned about right now is people who handle bulk mail.
- Still, lots of noncommercial bulk mail would be equally unwelcome.
- The transport of bulk mail by rail is also being phased out in the next few months despite fierce opposition from unions and environmentalists.
Definition of bulk mail in:
- US English dictionary