Definitions

1. noun

a small, wavy ridge or fold, especially one in the surface of rock or a leaf

“The geologist studied the crenulation in the sedimentary rock to understand its formation process.”

2. noun

a wavy or undulating line or border, especially one on a leaf or a petal

“The crenulation on the edge of the orchid’s petal was an attractive feature of the flower.”

3. verb

to form or cause to form small, wavy ridges or folds

“The wind crenulated the surface of the lake, creating small waves and ripples.”