Meaning of superseniority

su•per•sen•ior•i•ty

Pronunciation: (s"pur-sēn-yôr'i-tē, -yor'-), [key]
— n.
  1. seniority that is granted or held without regard to age or service.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.