Meaning: The sentence describes the loud noise made by ocean waves crashing against the shore.
Choice of Words: Ocean is a large body of salt water that covers most of the Earth's surface. Waves are ridges of water that move across the surface of the ocean. Crash is a verb that means to make a loud noise when hitting something. Against is a preposition that means in opposition to or in contact with something. Shore is the land along the edge of a body of water. Loudly is an adverb that describes something that is very noisy.