0 a soft hat with two peaks (= flat curved parts that stick out), one at the back and one at the front, and coverings for the ears that are usually worn turned up:
Sherlock Holmes's deerstalker
He arrived in the middle of a group of other men, dressed up as a highland clergyman, wearing a dog-collar, deerstalker and tweed cape.
It is useful to many deerstalkers and particularly for culling, as opposed to the sporting pursuit of deer.
Initially conducted on a small scale over several years, some of the ideas tested included deerstalker hats and safari jackets.
Occasionally one can find a deerstalker with a lightly quilted satin lining.
Along with its visors a deerstalker has a pair of unstiffened cloth earflaps attached to either side of the cap.
The sportsman's deerstalker is made with a narrow brim attached to the cap instead of the usual double bills.
Her fictional character's deerstalker cap and sleeveless waistcoat are the sorts of garments a minor laird would have worn to advertise his status.
There is also a reversible deerstalker.