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Definition of Acorn nut
1. Noun. ''(hardware)'' A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt. ¹
¹ Source: wiktionary.com
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1. Noun. ''(hardware)'' A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt. ¹
¹ Source: wiktionary.com