[626]. The plural caelitēs, heavenly, occupants of heaven, is also declined like the plural of dīves; the singular Ab. caelite occurs a couple of times. vetus, old, G. veteris, is also declined like dīves, but has a Ne. Pl. N. and Ac. vetera; the Ab. S. is regularly vetere, but veterī is sometimes used.
[STEMS IN -i-.]
OF THREE ENDINGS.
[627]. A dozen adjectives with stems in -bri-, -cri-, or -tri-, have a distinctive form in -er for the masculine nominative singular; they are:
celeber, thronged
salūber, healthy
ācer, keen
alacer, lively
volucer, winged
campester, of a plain