coffee bean

:  a beverage made by percolation, infusion, or decoction from the roasted and ground seeds of a coffee plant

:  any of several Old World tropical plants (genus Coffea and especially C. arabica and C. canephora) of the madder family that are widely cultivated in warm regions for their seeds from which coffee is prepared

:  coffee seeds especially roasted and often ground — compare arabica, robusta

:  fava bean

:  the seed of any of various erect or climbing plants (as of the genera Phaseolus and Vigna) of the legume family other than the fava bean

:  a plant bearing beans

:  to strike (a person) on the head with an object