Definition of "tail end"

tail end

noun
plural tail ends
1. The hindmost part of anything (a person, animal, or object), the rear end; the butt, buttocks; hindquarters, rump.
2. (figurative) The last part of a period of time, event, or situation; the concluding or final part.
  Quotations
  An equipment malfunction has woken him up 90 years early, and he’s now doomed to live out the rest of his life surrounded by sushi bars and infinity pools, but not a single human companion.(The other 5,000 passengers on board will wake up at the tail end of the ship’s 120-year voyage to Earth colony Homestead-II.)
  2016 December 20, Katie Rife, “Passengers strains the considerable charms of Chris Pratt and Jennifer Lawrence”, in The Onion AV Club‎