Barbering Definition

noun

The trade of and practice of shaving and cutting hair.

The trades of barbering and surgery have long been linked, as evidenced by the barber's red and white striped pole.
After several days in the bush, he had grown lax with his barbering and needed a good shave before he was presentable again.
Wiktionary

(informal) The practice among pets of overgrooming each other, leaving bald patches.

Wiktionary