noun: (uncountable) A type of synthetic elastic fabric and fibre (spandex) used for tight-fitting garments, such as swimming costumes.
noun: (uncountable) Clothing made from such materials, especially with reference to cycling shorts.
noun: (countable) A tight-fitting garment made of Lycra.
noun: Alternative form of Lycra [(uncountable) A type of synthetic elastic fabric and fibre (spandex) used for tight-fitting garments, such as swimming costumes.]