prim.um N 2 1 ACC S M
primus, primi N (2nd) M [XXXDX] lesser
chiefs (pl.), nobles;
prim.um ADJ 1 1 NOM S N POS
prim.um ADJ 1 1 VOC S N POS
prim.um ADJ 1 1 ACC S M POS
prim.um ADJ 1 1 ACC S N POS
primus, prima, primum ADJ [XXXAX]
first, foremost/best, chief, principal; nearest/next; [in primis => especially]
primum ADV POS
primum ADV [XXXDX] lesser
at first; in the first place;
prim.um NUM 1 1 NOM S N ORD
prim.um NUM 1 1 VOC S N ORD
prim.um NUM 1 1 ACC S M ORD
prim.um NUM 1 1 ACC S N ORD
unus -a -um, primus -a -um, singuli -ae -a, semel NUM [XXXAX]
1th - (ORD, 'in series'); (a/the) 1th (part) (fract w/pars?);
*

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.