noun

(1) A plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end

(2) A plaything consisting of a board balanced on a fulcrum

(3) The board is ridden up and down by children at either end

verb

(1) Ride on a plank,move up and down as if on a seesaw,move unsteadily, with a rocking motion,move back and forth

(2) Ride on a plank

(3) Move up and down as if on a seesaw

(4) Move unsteadily

(5) with a rocking motion

(6) Move back and forth