English dictionary
steelyard
/'st/i/l,/j//A/rd/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a portable balance consisting of a pivoted bar with arms of unequal length
Source: WordNet 3.0
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A form of balance in which the body to be weighed is suspended from the shorter arm of a lever, which turns on a fulcrum, and a counterpoise is caused to slide upon the longer arm to produce equilibrium, its place upon this arm (which is notched or graduated) indicating the weight; a Roman balance; -- very commonly used also in the plural form, <i>steelyards</i>.
Source: webster1913