mosquito bar
/məˈskiːtəʊ bɑː/ /mɒˈskiːtəʊ bɑː/US
noun
A framework covered with mosquito netting to protect an individual from mosquitoes.
Origin
Early 19th century. From mosquito + French (lower Mississippi River) baire large piece of canvas tucked around bedding to bar mosquitoes, perhaps variant of French barre.