ori SUFFIX
-orous, -ory; having to do with, pretaining to; tending to;
rigatori.um ADJ 1 1 NOM S N POS
rigatori.um ADJ 1 1 VOC S N POS
rigatori.um ADJ 1 1 ACC S M POS
rigatori.um ADJ 1 1 ACC S N POS
rigo, rigare, rigavi, rigatus V (1st) [XXXDX] lesser
moisten, wet, water, irrigate;
or SUFFIX
-or; -er; indicates the doer; one who performs the action of the verb (act.or);
rigator.ium N 3 1 GEN P M
rigo, rigare, rigavi, rigatus V (1st) [XXXDX] lesser
moisten, wet, water, irrigate;

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.