TRIBLET

triblet. Triblet, n. a tool for making rings with

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{ Trib″let (?), Trib″o‐let (?) }, n.} [[F. triboulet.]] 1. 1. A goldsmith's tool used in making rings. Ainsworth.
2. 2. A steel cylinder round which metal is drawn in the process of forming tubes. Tomlinson.
3. 3. (Blacksmithing) A tapering mandrel.