black morel: a morel whose pitted fertile body is attached to the stalk with little free skirt around it; the fertile body is grey when young and black in old age
morel: any of various edible mushrooms of the genus Morchella having a brownish spongelike cap
stovepiping: retrieval of information from unconnected databases; the situation that exists when it is necessary to climb out of one database in order to climb down into another; sometimes used for protection against wandering hackers