Emily Dickinson Lexicon

FUL'CRUM, or FUL'CRE, n. [L.]

1. A prop or support.
2. In mechanics, that by which a lever is sustained.
3. In botany, the part of a plant which serves to support or defend it, or to facilitate some necessary secretion, as a stipule, a bracte, a tendril, a gland, &c. Milne. Martyn.