noun
hart
HART/hɑːrt/
An adult male deer, especially a red deer.
The antlered hart stands alert in the clearing with smaller deer behind him.

Etymology
Old English heorot already named a male red deer. Later usage narrowed hart to a mature male after its fifth year, when the crown antler had appeared.
In context
the haunches of a lion, and the cloven feet of a Hart.
such as this cosy scene of a hart and its young,
More examples
- Two harts stand at the edge of the clearing.
- The painting shows a hart with large, branching antlers.
- The old tale describes a hunter pursuing a white hart.
Forms
hart · harts