A medical procedure involving an incision with instruments, performed to repair damage or treat disease in a living body.

To lose a natural outer covering, such as hair, skin, or feathers, so that a new growth can take its place.

The words that characters speak to each other in a play, book, or movie.

The hard, pointed part of a bird's mouth used for eating, grooming, and sometimes fighting.

Covered in thin, hard plates that protect the skin, often found on fish, snakes, or lizards.

A feeling of sudden fear or worry that something bad or dangerous might happen.

A sharp, curved nail on the foot of an animal, especially a bird of prey or a mammal like a cat.

Something that is very unusual, special, or remarkable, and much better than what is ordinary.

A part of a play, movie, or book where the action happens in one specific place at one specific time.

To tell a story or describe a series of events that happened in the past.

The arrangement of events in the exact sequence in which they occurred in time.

Instructions in the text of a play that tell the actors how to move or how the stage should look.

Behaving badly or not following the rules; often used to describe a child who is being disobedient.

Describing something that is very soft and light, such as wool, feathers, or a cloud.

Becoming larger or rounder than normal, often because of an injury or illness.