IPA: /ˈtwɜːr.lər/
KK: /ˈtwɪr.lɚ/
A person or thing that spins or rotates something in a circular motion.
The twirler performed amazing tricks with the baton during the parade.
Twirler → It is formed from "twirl" (of uncertain origin, possibly imitative of the action of spinning) and "-er" (meaning a person who). A twirler is a person who twirls or spins something.
Think of someone who 'spins' ('twirl') something around — that's what a twirler does.