WordNet (r) 3.0 (2006):
teetertotter n 1: a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end [syn: seesaw, teeter, teeter-totter, teetertotter, teeterboard, tilting board, dandle board] v 1: ride on a plank [syn: teeter-totter, teetertotter, seesaw]