IPA: /ˈsɪŋəˌstɪk/
KK: /ˈsɪŋəˌstɪk/
A type of fencing stick that is held in one hand and has a guard to protect the hand.
He practiced his moves with a singlestick during the fencing class.
Singlestick is formed from "single" (from Old English *singe*, meaning one) and "stick" (from Old English *sticca*, meaning a stick or staff). The word refers to a single stick used in a form of fencing or combat sport.
Think of a 'single' stick used for fighting or practice — that's what a singlestick is.
No commonly confused words.