ventriculus (noun)

1. In the cartoon, the bird character comically swallowed a large stone, which got stuck in its ventriculus.

2. In the movie, the protagonist had to undergo surgery to remove an obstruction from his ventriculus.

3. The artist painted a detailed anatomy illustration, highlighting the structure and function of the ventriculus.

4. The designer incorporated a bird's ventriculus-inspired motif into the print of their latest fashion collection.