the undulating movement of the surface of the open sea
a rounded elevation (especially one on an ocean floor)
a crescendo followed by a decrescendo
- "Smoke swelled from it"
increase in size, magnitude, number, or intensity
- "The music swelled to a crescendo"
become filled with pride, arrogance, or anger
- "The mother was swelling with importance when she spoke of her son"
cause to become swollen
- "The water swells the wood"