intermenstru.um N 2 2 NOM S N
intermenstru.um N 2 2 VOC S N
intermenstru.um N 2 2 ACC S N
intermenstru.um N 2 2 GEN P N uncommon
intermenstruum, intermenstrui N (2nd) N [XSXFO] veryrare
period between two lunar months; time of the new moon; the new moon (L+S);
intermenstru.um ADJ 1 1 NOM S N POS
intermenstru.um ADJ 1 1 VOC S N POS
intermenstru.um ADJ 1 1 ACC S M POS
intermenstru.um ADJ 1 1 ACC S N POS
intermenstruus, intermenstrua, intermenstruum ADJ [XSXEO] uncommon
interlunar, occurring between two lunar months; at time of the new moon (L+S);

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.