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