commons

1. (plural, singular, usually)A public area, especially a dining hall, at a college or university; a similar shared space elsewhere.

2. (plural, singular, usually)A common (common land); especially, a central section of (usually an older) town, designated as a shared area.

   The Renaissance festival started with the "peasants" meeting in the commons.

   The commons is the green space surrounded by the village hall, the school, and the church.

   Allmende

3. (figuratively, plural, singular)The mutual good of all; the abstract concept of resources shared by more than one, for example air, water, information.

   "The tragedy of the commons" is that none wish to make sacrifices of their or their family's interests for the common good.

   Allmende

4. (plural, singular)The common people collectively, the third estate, the people not belonging to the nobility or clergy.

   the common people

5. (historical, plural, singular)The free burghers/bourgeoisie of a given town, taken collectively.

6. (plural, singular)Food in general; rations.

   short commons

7. (euphemistic, obsolete, plural, singular)An outhouse.

8. (UK, obsolete, plural, singular)Food served at a fixed rate from the college buttery, distinguished from battels.

regular