1. past tense of grin; to grin or smile widely
Usage: chiefly British and Scottish dialect
2. past tense of grin; to grimace or make a face, especially in complaint or pain
Usage: chiefly British and Scottish dialect

Examples

• She girned at the camera and posed for the photograph.
• The child girned when told he couldn't have dessert.
• He girned through the pain of the injection.
• They girned and bore it without complaint.
• The baby girned and fussed throughout the car ride.