cresting Definition

crest
noun

1. A comb or a tuft of feathers or fur on top of the head of certain birds and mammals.
2. A ridge of skin along the top of the head of certain reptiles and amphibians.
3. A plume on a helmet.
4. heraldry.
The part of a coat of arms that appears above the shield.
5. The topmost ridge of a mountain.
6. The topmost part of something, especially a hill or mountain.

Thesaurus: top, peak, summit, culmination, pinnacle, apex.
7. The foaming edge of a wave.

verb crested, cresting

1. To reach the top of (a hill, mountain, etc).
2. To crown; to cap.
intr
3. Said of a wave: to rise or foam up into a crest.

Derivative: crested
adj

Etymology: 14c: from Latin crista plume.