Emily Dickinson Lexicon

DE-COM-POUND', a.

1. Composed of things or words already compounded; compounded a second time. – Boyle.
2. A decompound leaf, in botany, is when the primary petiole is so divided that each part forms a compound leaf. A decompound flower is formed of compound flowers, or containing, within a common calyx, smaller calyxes, common to several flowers. – Martyn.