Tonsillectomy (noun)

1. A surgical procedure in which one or both tonsils are removed.
2. The removal of the tonsils.

Origin:

From latin tonsilla + -ectomia, from greek ektomia ("cutting out").

Examples:

1. He had to undergo a tonsillectomy due to chronic tonsillitis.
2. The tonsillectomy was performed under general anesthesia.
3. The patient had a tonsillectomy to remove the infected tonsils.
4. Tonsillectomy is a common procedure to cure recurrent tonsillitis.
5. He was recovering from a tonsillectomy, and had trouble swallowing.