IPA: /ˈɡrɪdər/
KK: /ˈɡrɪdər/
A player who participates in football, typically playing in a specific position on the field.
The gridder scored the winning touchdown in the championship game.
Gridder → The word is formed from "grid" (from Old English *grid*, meaning a network or framework) and "-er" (meaning a person who). A gridder is a person who works with or creates a grid system.
Think of a 'grid' as a network or framework, and the '-er' indicates a person involved with it. So, a gridder is someone who works with grids.