Emily Dickinson Lexicon

screw (-s), n. [OFr escroue, female screw, nut.] (webplay: pins, all).

1. Plug; peg; pin; pivot; textured nog; serrated nail used for fastening materials together; pointed fastener with a spiral surface; metal device with a slotted head and a spiral groove going round it from one end to the other; [fig.] nerve; sinew; tendon; [metonymy] body; physical being; material essence.
2. Press; apparatus for extracting the essence; [fig.] craftsmanship; artifice; artistic technical discipline.