Emily Dickinson Lexicon

STIP'U-LA, or STIP'ULE, n. [L. stipula, a straw or stubble.]

1. In botany, an appendage at the base of petioles. Stipules are in pairs or solitary; they are lateral, extrafoliaceous, intrafoliaceous, &c. – Martyn.
2. A leafy appendage to the proper leaves or to their foot-stalks; commonly situated at the base of the latter, in pairs. – Smith.