noun

• A slit or other opening in an item of clothing, to allow access to pockets or fastenings
• (obsolete) A petticoat, especially an underpetticoat.
• (obsolete, slang, by extension) A woman.
• (obsolete) A woman's pocket.
• (historical) A leather jacket strengthened with strips of steel.
• (historical) An additional plate of steel on the lower half of the breastplate or backplate.