Then his face engaged in a smile that created little wrinkles around his eyes and grooves in his cheeks.
She wiped dirt from the grooves of the cuneiform.
Switch plants, such as Retama Retam and broom (Cytisus scoparius), have reduced leaves and some assimilating tissue in their stems; and stomata occur in grooves on the stem.
The stomata are frequently in grooves: the leaves are frequently rolledsometimes permanently so, whilst sometimes the leaves roll up only during unfavourable weather.
Taking the Atlantic as our simplest type, we may say that the surface of an ocean basin resembles that of a mighty trough or syncline, buckled up more or less centrally in a medial ridge, which is bounded by two long and deep marginal hollows, in the cores of which still deeper grooves sink to the profoundest depths.
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