trouser
n. B1 Intermediate US //ˈtɹaʊzɝ// UK //tɹˈaʊsɐ// trous·er
n. a single piece of clothing that covers one leg from the waist to the ankle. You usually wear two of these together.
n. a single garment covering one leg from the waist to the ankle. Typically used in the plural form to refer to the pair of garments worn together.
He bought a new pair of blue trousers.
The tailor adjusted the waistband of the trousers to ensure they fit perfectly for the wedding.
Back-formation from trousers.