
1) Crusher 2) Force unit 3) Grinder 4) Implement 5) Utensil
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https://www.crosswordclues.com/clue/pounder

• (n.) A person or thing, so called with reference to a certain number of pounds in value, weight, capacity, etc.; as, a cannon carrying a twelve-pound ball is called a twelve pounder. • (n.) One who, or that which, pounds, as a stamp in an ore mill. • (n.) An instrument used for pounding; a pestle.
Found on
http://thinkexist.com/dictionary/meaning/pounder/

(from the article `hand tool`) `Hammer` is used here in a general sense to cover the wide variety of striking tools distinguished by other names, such as pounder, beetle, mallet, ...
Found on
http://www.britannica.com/eb/a-z/p/102
Pound'er noun 1. One who, or that which, pounds, as a stamp in an ore mill.
2. An instrument used for pounding; a pestle.
3. A person or thing, so called with reference to a certain number of pounds in value, weight, capacity, etc.; as, a cannon carrying a twelve-pound ball is ...
Found on
http://www.encyclo.co.uk/webster/P/138

[
n] - (used only in combination) something weighing a given number of pounds
Found on
http://www.webdictionary.co.uk/definition.php?query=pounder
noun (used only in combination) something weighing a given number of pounds; `the fisherman caught a 10-pounder`; `their linemen are all 300-pounders`
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.