triangul.um N 2 2 NOM S N
triangul.um N 2 2 VOC S N
triangul.um N 2 2 ACC S N
triangul.um N 2 2 GEN P N uncommon
triangulum, trianguli N (2nd) N [XSXEC] uncommon
triangle;
triangul.um ADJ 1 1 NOM S N POS
triangul.um ADJ 1 1 VOC S N POS
triangul.um ADJ 1 1 ACC S M POS
triangul.um ADJ 1 1 ACC S N POS
triangulus, triangula, triangulum ADJ [XXXEC] uncommon
three-cornered, triangular;

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.