IPA: /ˈtæk.lər/
KK: /ˈtæk.lɚ/
A person who tackles, especially in sports like football, or someone who repairs weaving looms.
The tackler made a great play by stopping the opponent in their tracks.
Tackler → It is formed from "tackle" (from Middle English *takel*, meaning to seize or take hold of) and "-er" (meaning a person who). A tackler is a person who seizes or takes hold of something, often in a sports context.
Think of someone who 'seizes' or 'takes hold' of an opponent in a game — that's what a tackler does.