tilting board is a noun meaning "a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end". It carries one recorded sense.
a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end
Definitions, synonyms and semantic relations for tilting board come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.