Definition: To determine which disease is causing a sick person's signs and symptoms; to find the diagnosis.

Alright class, settle down, let’s take a peek, At a word that’s important, clever and sleek! “Diagnosis,” it’s what we need to know, Let’s break it down, watch this lesson grow. The dictionary's right, you see, It means to find out why someone’s feeling free... Of course, not feeling free when they are ill, But finding the cause with a thoughtful skill! Think of it like a detective, bright and bold, Searching for clues, stories to be told. When someone's got symptoms – a cough or a sneeze, The diagnosis helps us find what will appease. It’s about figuring out which disease takes hold, And understanding the story to unfold. So “diagnosis” means: To pinpoint the cause, Of someone’s illness, without any pause! Do you have any questions? Don't be shy, Let's explore this concept, way up high!