tilting board til·ting·board uncommon noun 1. a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end Synonymsseesawteeter-totterteeterboardtilting boarddandle board Related words Word family seesaw Broader terms plaything Parts playground WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.