IPA: //ˈslʌŋʃɒt//
KK: /ˈslʌŋˌʃɒt/
A tool or weapon that has a weight attached to a long cord or strap, used for throwing or striking.
He used a slungshot to throw the line across the water.
The word 'slingshot' is formed from 'sling' (from Old English 'slingan', meaning to throw) and 'shot' (from Old English 'sceot', meaning to shoot or throw). A slingshot is a device used to throw or shoot projectiles.
Think of 'slinging' something ('sling') and then 'shooting' it ('shot') — that's how a slingshot works.