Radiologists carefully examined the circle of Willis for signs of aneurysm during the MRI review.

Don't be a whining Willy; help us finish the project instead.

The townspeople called him a whining willy after he complained about the parade every year.

He tossed the papers nilly-willy across the desk, ignoring their order.

The committee's nilly-willy approach to scheduling frustrated everyone.

During the lecture, the neurologist explained how the circles of Willis provide collateral blood flow to the brain.

After months of testing, doctors concluded that his constant hunger and developmental delays were caused by Prader-Willi syndrome.

After months of sleep disruption and nightly restlessness, she was finally diagnosed with Willis-Ekbom disease and began a treatment plan to ease the unpleasant sensations in her legs.

The williers in the tale always managed to outsmart their rivals with elaborate tricks.

The willier rose before dawn and spent the morning using a fresh willow branch to cleanse the fleeces before they were dyed.