From King Dictionary of Contemporary English
Related topics: Gardening, Cards
spadespade /speɪd/ ●●○ noun [countable] 1 dig.jpg DLGa tool for digging that has a long handle and a broad metal blade that you push into the groundshovel2 (also spades [plural])DGC a playing card belonging to the set of cards that have one or more black shapes that look like pointed leaves printed on them the queen of spades3 call a spade a spade4 in spades5 [countable] taboo old-fashionedSANINSULT a very offensive word for a black person. Do not use this word.
Examples from the Corpus
spadeAnd it's no use calling a spade an effing shovel, when saying spade would have been far more effective.A spade lay half-buried in mud.The woman stuck her spade in the ground.Beyond the stables the monotonous sound of Varro's spade went on and on.The three spades needed when ferreting: the Norfolk long spade, the graft, and the filling-in spade.I thought the going would be easy after penetrating the surface layers of soil and roots with spade and ax.
Origin spade 1. Old English spadu2. (1500-1600) Italian spada or Spanish espada broad sword (used as a mark on cards), from Latin spatha; SPATULA