What is "mirrour"

Usage examples of "mirrour".

The presentes been ful roially yfet, This is to seyn, the swerd and the mirrour, And born anon into the heighe tour With certeine officers ordeyned therfore.

Wherfore, ageyn this lusty someres tyde, This mirrour and this ryng that ye may see, He hath sent unto my lady Canacee, Your excellente doghter that is heere.