Multiple related objects associated as a group.
A set of college exams generally taken at the start of the term.
A set of sets; used because such a thing is in general too large to comply with the formal definition of a set.
The jurisdiction of a collector of excise.
The activity of collecting.
The quality of being collected; calm composure.
A gathering of money for charitable or other purposes, as by passing a contribution box for donations.
A set of items or amount of material procured or gathered together.
Debt collection.
A subdivision of a species in other scientific disciplines.
A taxon at that rank, often indicated with trinomial nomenclature (such as Felis silvestris silvestris in zoology and Pinus nigra subsp. salzmannii in botany).
A rank in the classification of organisms, below species.