Definition of "gridlines" [gridlines]

• Plural form of gridline. (noun)

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• "At my company, we have a custom Excel template with FAR preferable default colors, no heinous gray background, no bold gridlines, etc."
• "The gridlines of this imaginary territory connect at the vanishing points evident in many of the photographs."
• "The gridlines are kept in a light colour and thus allow to identify those areas where the lines converge (representing the unpopulated regions)."