hounskull
A type of visor, drawn out into a conical point like a muzzle or beak which improved ventilation and deflected blows, or a helmet having such a visor.
On the counter is a hounskull with aventail (a visored bascinet with mail tippet) with a small plume on the apex. A pair of bell-cuffed gauntlets and an arming sword hang outside.
Where it comes from
From Middle English hounscull, from German Hundsgugel or a related term, influenced by hound skull.
Adapted from the Wiktionary entry hounskull (CC BY-SA 4.0).