"pounders" in the noun sense
used only in combination) something weighing a given number of pounds
"the fisherman caught a 10-pounder"
"their linemen are all 300-pounders"
2. pestle, muller, pounder
a heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone
Source: WordNet® (An amazing lexical database of English)
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