knuckle

Dad booms, gripping the bat with his gigantic knuckles.

The old woman’s knuckles were so swollen with arthritis, Penelope wondered if she could even remove the large jeweled rings she wore on each finger, or whether she would have to be buried in them.

Penelope returned to her chair as if in slow motion; when she folded her hands in her lap, her knuckles turned white.

“Joylette, are you home?” a woman’s voice called out to my mother by her first name as her knuckles rapped on the door.

However, England's high-quality bench knuckled down, earned territory and, after George Ford had slotted a penalty, Roebuck went over to choruses of 'Swing Low, Sweet Chariot'.