Deerstalker \Deer"stalk`er\, n.
1. One who practices deerstalking.
[1913 Webster]
2. A close-fitting cap, usually woolen, such as is worn in
deerstalking, having a low crown and visors both in front
and back, and having earflaps which are usually worn tied
together over the top; also called {fore-and-after},
{deerstalker hat} and {deerstalker cap}; a hunter's cap;
formerly also used for any stiff, round hat. [Eng.]
[Webster 1913 Suppl. +PJC]