Final answer:
Rotation in the given sentence refers to the spinning motion of the wooden top about its central axis. Spin specifically describes the rotational motion of an object around its center of mass, and this spinning action is what enchants the child.
Step-by-step explanation:
In the provided sentence, "The flashing rotation of the wooden top enchanted the small child," the meaning of rotation is along the lines of circular motion or spin. Specifically, the term refers to the rotational motion of an object about an axis of rotation. In this context, it would relate to the top spinning about its central axis, captivating the child with its motion. When an object like a toy top spins, it exhibits rotation around its center of mass, and this movement can be visually appealing, leading to fascination, as described in the context of the small child being enchanted by the wooden top.
To further clarify, spin is the rotational motion of an object around its center of mass, which in many cases is its physical geometric center. This form of motion is in direct contrast to translational motion, where an object moves from one location to another without necessarily spinning. The toy top in the sentence is an ideal example of an object exhibiting spin as it rotates.