- dog
A domesticated canine
- donkey
A domesticated hoofed with long ears, related to the horse
- drake
A male duck
- duck
A waterbird with webbed feet, a broad beak, and a waddling gait
- duckling
A young duck
- dag
A lock of sheep's wool clogged with dung
- dagging
The process of removing dags
- dairy
The location in which milk is processed, stored and distributed
- dry off
A necessary step in the lactation cycle of domesticated cows, during which they are no longer being milked by humans or nursing calves and their udder tissue can repair and rejuvenate
- durum
The hardest variety of wheat, which has a high gluten content and is typically used for making pasta
- deforestation
The clearing of large areas of forest by humans