definition of
seesaw

[1] #1 seesaw n. [teeter, teeter-totter, teetertotter, teeterboard, tilting board, dandle board] a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end. wn

[2] #2 seesaw v. [teeter-totter, teetertotter] ride on a plank. wn

[3] #3 seesaw v. move up and down as if on a seesaw. wn

[4] #4 seesaw v. [teeter, totter] move unsteadily, with a rocking motion. wn