Definition of "tights"

A close-fitting, sheer or non-sheer skin-tight garment worn principally by women and girls that covers the body completely from the waist down, usually including the feet.  examples

(dance) A similar, non-sheer garment worn by dancers of either sex, especially by ballet dancers.  examples

(wrestling) A garment, similar to briefs, worn chiefly by professional wrestlers.  examples

(mining) In blasting rock, a piece of unbroken rock within the pay limit of a blast.  examples