A sleeveless tunic with a pleated skirt most commonly seen as part of a girl's school uniform.(noun)
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Use "gymslip" in a sentence
"Then there are short, gymslip-style black jersey dresses by Gwen ..."
"I am just waiting for Topshop to start selling those gymslip pinafores."
"The Eastern Cape figure was almost double that of Gauteng, which had 2336 gymslip pregnancies, and more than five times higher than the 997 in KwaZulu-Natal."