leg warmer
US /ˈleɡ ˌwɔːr.mɚ/
UK /ˈleɡ ˌwɔːr.mɚ/

1.
polaina, aquecedor de pernas
a knitted garment covering the leg from the ankle to the knee or thigh, worn especially by dancers or for warmth.
:
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She wore colorful leg warmers to her aerobics class.
Ela usava polainas coloridas para sua aula de aeróbica.
•
In the 1980s, leg warmers were a popular fashion accessory.
Nos anos 80, as polainas eram um acessório de moda popular.