The wavelength is the distance from crest to crest, or from trough to trough.

These, horsed astride / a surge's crest, rock pendent o'er the deep; / to those the wave's huge hollow, yawning wide, / lays bare the ground below; dark swells the sandy tide.

The ship dived like a swan through the waves and rose again and again on their towering crests.

Their breasts erect they rear amid the deep, / their blood-red crests above the surface shine, / their hinder parts along the waters sweep, / trailed in huge coils and many a tortuous twine.

When Tom crested the hill, he had a commanding view of the valley below.

The chicks hatched in April have also become 5 months old. Their bodies are about the same size as their parents, about the only difference is that the roosters have smaller crests than their father.

As the waves crested about them, Tom and Mary clung desperately to the gunwales of their lifeboat.

The neural crest is found in embryonic structures.

Such as Diana, with her Oreads seen / on swift Eurotas' banks or Cynthus' crest, / leading the dances. She, in form and mien, / armed with her quiver, towers above the rest, / and tranquil pleasure thrills Latona's silent breast.

The surfer tried to ride the crest of the wave.