What does cap mean in fashion dictionary?

cap means: Packaging with controlled atmosphere (in Cooking Dictionary)

What else does cap mean?

Headcover that is worn to cover the head for casual occasions and sports. It usually fits closer than a cap, but often features a visor. Most caps are made from fabric or felt and sometimes leather. They may be part of uniforms worn by military personnel or sports teams. Caps, such as the baseball cap, could also become popular among the general population. (in Fashion Dictionary)

Head covering that is usually very soft, close fitting and has a visor or no brim. (in Merlin Dictionary)

An extra headcover worn to show rank, occupation or membership in a group. (in Merlin Dictionary)

A mortarboard for academic purposes. Particularly used in the phrase Cap and gown (in Merlin Dictionary)

Protective cover, or seal that covers an end or tip. (in Merlin Dictionary)

Crowns are used to cover or seal a tooth. (in Merlin Dictionary)

Cap for trucks (in Merlin Dictionary)

For a used pneumatic tire, a tread. (in Merlin Dictionary)

Fitted covering that seals a large or small pipe. (in Merlin Dictionary)

The summit, or top of a mountain. (in Merlin Dictionary)

Capital of a column (in Merlin Dictionary)