What does the word wherein mean?

Usage examples for wherein

  1. The play's the thing wherein I'll catch the conscience of a King. – Sympathetic Magic by Paul Cameron Brown
  2. Their first work was to erect a court or hall wherein are twelve seats for themselves, besides the throne which is occupied by All- father. – The Elder Eddas of Saemund Sigfusson; and the Younger Eddas of Snorre Sturleson by Saemund Sigfusson and Snorre Sturleson
  3. I have been so comforted by her words of wisdom and encouragement, and, sometimes, by her words of reproof also; for she never failed in her gentle, sweet, and yet decided manner in telling me wherein she thought I was wrong, for which to- day I thank her. – Memoirs of Mrs. Rebecca Steward by T. G. Steward