deerstalker

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A tight-fitting hat with visors in the front and back, originally worn by hunters.

from The Century Dictionary.

• noun One who practises deer-stalking.
• noun A lined cap of cloth or flannel, peaked before and behind with the same material, and sometimes having ear-flaps which are turned up over the crown and tied together at the top by laces.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who practices deerstalking.
• noun engraving 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun One who takes part in deer stalking.
• noun Alternative form of deerstalker hat.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a tight-fitting hat with visors front and back; formerly worn by hunters