[noun] [C] [plural] fulcrums or specialized fulcra - the point at which a bar, or something that is balancing, is supported or balancesA pair of weighing scales balances on a fulcrum.A see-saw balances at its fulcrum.(figurative) The fulcrum (= main subject) of the debate/argument is the individual's right to choose.
FULCRUM
Meaning of FULCRUM in English
Cambridge English vocab. Кембриджский английский словарь. 2012