equester N 3 1 NOM S M
equester N 3 1 VOC S M
equester, equestris N (3rd) M [XXXDO] lesser
knight; one of equestrian order/class (in Rome > 67 BC w/400_000 sesterces);
equester ADJ 3 3 NOM S M POS
equester ADJ 3 3 VOC S M POS
equester, equestris, equestre ADJ [XXXBO]
equestrian, mounted on horse; of/belonging to/consisting of horseman/cavalry;

Credits:
This, our local install of the popular standby Whitaker's Words, is possible thanks to the resurrection of the venerable project at William Whitaker's Words, where you will also find extensive documentation. The corresponding GitHub repository is where you can submit issues about missing forms and analyses.
This web interface by Walter M. Shandruk.