alt.is VPAR 3 1 DAT P X PERF PASSIVE PPL
alt.is VPAR 3 1 ABL P X PERF PASSIVE PPL
alo, alere, alui, altus V (3rd) TRANS [XXXAO]
feed, nourish, rear, nurse, suckle; cherish; support, maintain, develop;
alt.is N 2 2 LOC P N
alt.is N 2 2 DAT P N
alt.is N 2 2 ABL P N
altum, alti N (2nd) N [XXXBO]
the_deep, the_sea; deep water; a height/depth; remote/obscure period/source;
alt.is ADJ 1 1 DAT P X POS
alt.is ADJ 1 1 ABL P X POS
altus, alta -um, altior -or -us, altissimus -a -um ADJ [XXXAO]
high; deep/profound; shrill; lofty/noble; deep rooted; far-fetched; grown great

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.