Definition of "superset"

superset

noun
plural supersets
1. (set theory) (symbol: ⊇) With respect to another set, a set such that each of the elements of the other set is also an element of the set.
2. (weightlifting) Two or more different physical exercises performed back to back, without a period of rest between them. The exercises may employ the same muscle group, or opposing muscle groups.
  Quotations
  While some lifters insist that supersets must consist of consecutive exercises for the same bodypart, others would bet their weight belts that supersets involve opposing bodyparts.
  2010, Eric Velazquez, “Power Pairings”, in Reps!, 17:83
verb
third-person singular simple present supersets, present participle supersetting, simple past and past participle supersetted or superset
1. (weightlifting, transitive) To perform (different physical exercises) back to back, without a period of rest between them.