1.
Tights are a piece of clothing, usually worn by women and girls. They are usually made of nylon and cover the hips, legs and feet. (BRIT; in AM, use pantyhose )
...a new pair of ~.
N-PLURAL: also a pair of N
2.
Tights are a piece of tight clothing, usually worn by dancers, acrobats, or people in exercise classes, and covering the hips and each leg.
N-PLURAL: also a pair of N