† twitter-bitn.

Origin: Of uncertain origin. Perhaps a borrowing from French. Etymon: French tête de vis.

Etymology: Origin uncertain. Perhaps < French tête de vis, lit. ‘head of the screw’, with folk-etymological alteration after twitter n.² and bit n.¹

Obsolete. rare.

In metalworking: the tapered rim or flange forming the base of the countersunk hollow that holds the head of the screw or rivet fastening together a pair of scissors.

ΘΚΠ

society > occupation and work > equipment > cutting tool > shears or scissors > [noun] > parts of

shear1794

shank1833

twitter-bit1851

1851 O. Byrne Pract. Metal-worker's Assistant 253 The bottom of the countersink that receives the head of the screw is called the shelf or the twitter-bit.

This entry has been updated (OED Third Edition, June 2019; most recently modified version published online December 2021).

单词	twitter-bit
释义	† twitter-bitn. Origin: Of uncertain origin. Perhaps a borrowing from French. Etymon: French tête de vis. Etymology: Origin uncertain. Perhaps < French tête de vis, lit. ‘head of the screw’, with folk-etymological alteration after twitter n.² and bit n.¹ Obsolete. rare. In metalworking: the tapered rim or flange forming the base of the countersunk hollow that holds the head of the screw or rivet fastening together a pair of scissors. ΘΚΠ society > occupation and work > equipment > cutting tool > shears or scissors > [noun] > parts of shear1794 shank1833 twitter-bit1851 1851 O. Byrne Pract. Metal-worker's Assistant 253 The bottom of the countersink that receives the head of the screw is called the shelf or the twitter-bit. This entry has been updated (OED Third Edition, June 2019; most recently modified version published online December 2021). < n.1851
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