1. to mark or cross with a pattern of lines resembling a gridiron; to create a grid pattern
Usage: present participle of gridiron
2. to subject to intense questioning or scrutiny
Usage: informal; present participle of gridiron

1. the act or process of marking with a grid pattern or subjecting to intense questioning
Usage: gerund form

Examples

• The architect was gridironing the blueprint to establish precise measurements.
• The detective spent hours gridironing the witness about the events of that night.
• The gridironing of the city streets followed a systematic urban planning approach.
• Reporters were gridironing the candidate during the press conference.
• The map showed gridironing lines that divided the territory into equal sections.