spade -
A cutting instrument used in flensing a whale.
Verb
spade -
To turn over soil with a spade to loosen the ground for planting.
spade -
To collect and statistically analyze data, for the purpose of determining the underlying random number generator structure or numeric formula.
Wikipedia
A spade is a tool designed primarily for the purpose of digging or removing earth. Early spades were made of riven wood. After the art of metalworking was discovered, spades were made with sharper tips of metal.
OmegaWiki Dictionary
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spade Tool having a flat and sharp metal tip and a wooden handle used to break, dig and move the earth.