Wave
Part of speech: verb
Definition: To move back and forth repeatedly. To wave one's hand in greeting or departure. To have an undulating or wavy form. To swing and miss at a pitch. To cause to move back and forth repeatedly. To signal (someone or something) with a waving movement. To try, in public, to attract people into a business establishment. To move back and forth repeatedly and somewhat loosely.
Part of speech: noun
Definition: A moving disturbance in the level of a body of water; undulation. A moving disturbance in the energy level of a field. A shape which alternately curves in opposite directions. A sudden unusually large amount of something that is temporarily experienced. A sideway movement of the hand(s).
Example sentence: Everybody has an idea of the tsunami of being a big wave. It is not a big wave. It is a huge amount of water that comes to land.
Undulate
Part of speech: adjective
Definition: Wavy in appearance or form.Changing the pitch and volume of one's voice.Winding up and down gradually relative to the blade.
Part of speech: verb
Definition: To cause to move in a wavelike motion.To cause to resemble a waveTo move in wavelike motions.To appear wavelike.