n.

1. 平民百姓[the S][K]
2. 集体伙食[U]
3. （大学的）公共食堂[J]
4. （常大写）（英国）下议院[the S][G]
5. （常大写）（英国）下议院议员[K]

pl. n.

1. (the Commons) short for House of Commons.
   ▸historical the common people regarded as a part of a political system.
2. [treated as sing.] land or resources belonging to or affecting the whole of a community.
3. US a dining hall in a school or college.
4. archaic provisions shared in common; rations.