{ Trib″let (?), Trib″o‐let (?) }, n.} [F. triboulet.] 1. A goldsmith's tool used in making rings. Ainsworth.
2. A steel cylinder round which metal is drawn in the process of forming tubes. Tomlinson.
3. (Blacksmithing) A tapering mandrel.
Webster's Dictionary 1913
{ Trib″let (?), Trib″o‐let (?) }, n.} [F. triboulet.] 1. A goldsmith's tool used in making rings. Ainsworth.
2. A steel cylinder round which metal is drawn in the process of forming tubes. Tomlinson.
3. (Blacksmithing) A tapering mandrel.