1) Deer 
(1) (fauna) male red deer, hart in its fourth year (M 41 (v)), but see 'stag'; (2) (sylviculture) wilding transported into a hedge (L 238)
• (n.) The male red deer when four years old.
(1) (fauna) male red deer, hart in its fourth year (M 41 (v)), but see 'stag'; (2) (sylviculture) wilding transported into a hedge (L 238)
Stag'gard noun [ From Stag .] (Zoology) The male red deer when four years old. 
a four-year-old male red deer.