A day or time that has already passed.

plural of day gone by

A day in which bins, bags or boxes containing household or commercial waste or rubbish are collected, or due to be collected, by waste disposal officers (typically council employees called binmen or dustmen)

plural of bin day

A day reserved by oneself to relax.

plural of me day

If not older; at least.

plural of day return

(travel, UK) A reduced-price fare and ticket for a journey on public transport out and back in one day.

plural of day book