n. [ L. fluctuatio; cf. F. fluctuation. ] 1. A motion like that of waves; a moving in this and that direction; as, the fluctuations of the sea. [ 1913 Webster ]
2. A wavering; unsteadiness; as, fluctuations of opinion; fluctuations of prices. [ 1913 Webster ]
3. (Med.) The motion or undulation of a fluid collected in a natural or artifical cavity, which is felt when it is subjected to pressure or percussion. Dunglison. [ 1913 Webster ]