Significatio vocis camum | Babel Free

Definitiones

1. barley-beer
   Late-Latin, declension-2, neuter, rare
2. accusative singular of cāmus
   Late-Latin, accusative, form-of, rare, singular

Exempla

“Certe zythum quod in quibusdam provinciis ex tritico vel ex hordeo vel ex pane conficitur [vini appellatione] non continebitur simili modo nec camum nec cervesia continebitur nec hydromeli.”

Of course zythum — which is made in certain provinces from wheat, barley, or bread — will not fall under the designation of 'wine'; likewise camum, cervesia, and hydromeli will not either.

“cervesiae <sive> cami”

...of wheat-beer [or] of barley-beer...

Gradus CEFR