What is the meaning of Suspender?

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.

imperative of suspendere

to suspend; to hang

to suspend (to halt something temporarily)

to suspend

to flunk, to fail to pass an exam or class

Source: wiktionary.org