1. Mail consisting of large numbers of identical items (circulars or advertisements) sent to individual addresses at less than 1st-class rates and paid for in one lot

Type of: mail

Encyclopedia: Bulk mail

• superstrate
• superstratum
• superstring
• superstructure
• supersymmetric
• supersymmetry
• supertanker
• supertax
• supertitle
• supertonic
• supertwister
• supervene
• supervene upon
• supervenient
• supervention
• supervise
• supervised
• supervising
• supervision
• supervisor
• supervisor call instruction
• supervisory
• supervisory program
• supervisory routine
• supervisory software