bandeau

 
Pronunciation: /ˈbandəʊ/

noun (plural bandeaux /-dəʊz/)

  • 1a narrow band worn round the head to hold the hair in position.
  • 2 [usually as modifier] a woman’s strapless top formed from a band of fabric fitting around the bust: a bandeau bikini top

Origin:

early 18th century: from French, from Old French bandel, diminutive of bande (see band1)