descender
/ˈdɛsɛndər/Definitions
1. noun
A person or thing that descends, or moves downward
“The parachute was a descender in the sky.”
2. verb
To move downward or come down
“The plane began to descender towards the runway.”
3. noun
A device used to control the descent of something
“The pilot used the descender to slow down the plane.”
4. noun
A letter or symbol that is below the base line in a typeface
“The descender in the typeface gave the text a unique feel.”