noun (plural ~s or fulcra) see: balk Date: 1668 1. prop , one that supplies capability for action, a part of an animal that serves as a hinge or support
FULCRUM
Meaning of FULCRUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012