equestr.ium N 3 1 GEN P M
equester, equestris N (3rd) M [XXXDO] lesser
knight; one of equestrian order/class (in Rome > 67 BC w/400_000 sesterces);
equestr.ium ADJ 3 3 GEN P X POS
equester, equestris, equestre ADJ [XXXBO]
equestr.ium ADJ 3 1 GEN P X POS
equestr, (gen.), equestris ADJ [XXXDO] lesser
equestrian, mounted on horse; of/belonging to/consisting of horseman/cavalry;
equestr.ium N 3 4 GEN P N
equestre, equestris N (3rd) N [XXXDO] lesser
seats (pl.) in theater reserved for members of equestrian order/class;

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.