| Acronym | Definition |
|---|
| COTD➣Color of the Day |
| COTD➣Call of the Dead (gaming) |
| COTD➣Card of the Day (gaming) |
| COTD➣Chart of the Day |
| COTD➣Climb out of the Darkness (Postpartum Support International) |
| COTD➣Cross of the Dutchman (gaming) |
| COTD➣Clash of the Dragons (card game) |
| COTD➣Catch Of The Day |
| COTD➣Creatures of the Deep (N-Gage game) |
| COTD➣Coaltar of the Deepers (Japan band) |
| COTD➣Comment of the Day |
| COTD➣City of the Dead |
| COTD➣Children of the Damned |
| COTD➣Cat of the Day |
| COTD➣City of the Damned |
| COTD➣Circle of True Doom |
| COTD➣Complete on Time Delivery (shipping) |
| COTD➣Customer of the Day |
| COTD➣Cult of the Dolphin |
| COTD➣Cache of the Day (geocaching) |
| COTD➣Cardiac Output Obtained by Thermodilution |
| COTD➣Call Off the Dogs |
| COTD➣Clan of the Dragon |
| COTD➣Cotangent of x in Degrees |