THIRD-CLASS MAIL as NOUN

1. Meaning
   • mail consisting of printed matter qualifying for reduced postal rates
   Synonym(s)
   • third class (what does third class mean?)
   Hypernyms(s) third-class mail is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • mail (what does mail mean?)
   Hyponym(s)
   • junk mail (what does junk mail mean?)