n.
Pronunciation: ' s ē - ˌ so ̇
Function: noun
Etymology: probably from reduplication of 3 saw
Date: 1704
1 : an alternating up-and-down or backward-and-forward motion or movement also : a contest or struggle in which now one side now the other has the lead
2 a : a pastime in which two children or groups of children ride on opposite ends of a plank balanced in the middle so that one end goes up as the other goes down b : the plank or apparatus so used
– seesaw adjective