- an open helmet of the 16th and early 17th centuries, worn by common soldiers and usually having a flat or turned-down brim and a crest from front to back.
- a variety of smoky quartz of a dark-brown or nearly black color.
- a 16th-century helmet with a brim and wide comb
- a smoky brown, grey, or blackish variety of quartz, used as a gemstone
