Usually, suspenders.Also called, especially British, braces.adjustable straps or bands worn over the shoulders with the ends buttoned or clipped to the waistband of a pair of trousers or a skirt to support it.
a. an elastic strap attached to a belt or corset having a fastener at the end, for holding up women's stockings
b. US and Canadian equivalent: garter a similar fastener attached to a garter worn by men in order to support socks
2.
(US), (Canadian) (plural) Also called (in Britain and certain other countries): braces a pair of straps worn over the shoulders by men for holding up the trousers
3.
a person or thing that suspends, such as one of the vertical cables that carries the deck in a suspension bridge