back number

noun
🔊/ˈbæk nʌmbə(r)/
🔊/ˈbæk nʌmbər/
(also back copy)
(both British English)
(also back issue British and North American English)
jump to other results
  1. a copy of a newspaper or magazine from a date in the past过期的报纸(或杂志)Topics TV, radio and newsc2