Emily Dickinson Lexicon

CON-CU'PIS-CENCE, n. [L. concupiscentia, from concupisco, to covet or lust after; con and cupio, to desire or covet.]

Lust; unlawful or irregular desire of sexual pleasure. In a more general sense, the coveting of carnal things, or an irregular appetite for worldly good; inclination for unlawful enjoyments. We know even secret concupiscence to sin. – Hooker. Sin, taking occasion by the commandment, wrought in me all manner of concupiscence. – Rom. vii.