suspender

Plural: suspenders

Noun

• elastic straps that hold trousers up (usually used in the plural)
• Something or someone who suspends.
• An item of apparel consisting of a strap worn over the shoulder and used to hold up trousers.
• An item of apparel used to hold up a sock or (now especially) a stocking, such as a garter, or each of the fastening-straps attached to a corset or suspender belt.

Synonyms

brace, gallus, braces