A set of items or amount of material procured or gathered together. / Multiple related objects associated as a group. / The activity of collecting. / (topology, mathematical analysis) A set of sets.

plural of collection / (accounting, of an account) A state being beyond merely past due. / (accounting) A department that attempts to collect on accounts that are beyond merely past due.

Of or pertaining to collecting.

(transitive) To gather together; amass. / (transitive) To get; particularly, get from someone.

To be paid for by the recipient, as a telephone call or a shipment.

With payment due from the recipient.

(Christianity) The prayer said before the reading of the epistle lesson, especially one found in a prayerbook, as with the Book of Common Prayer.

Worthy or suitable for collecting on historical/financial grounds, or for meeting a personal aesthetic. / Rightfully subject to payment. / That is likely to be paid.

An object which someone might want to collect.

In a collective manner; viewed together as a whole; to be treated as a single unit, rather than the items that make up the collection separately.