String'er, n.
n. 1. One who strings; one who makes or provides strings, especially for bows.
You must be content to put your trust in an honest stringer. Archam.
Sense 2. A libertine; a wencher. [Obs.] Beau. & Fl.
Sense 3. (Railway Engin.) A longitudinal sleeper.
Sense 4. (Ship-building.) A range or streak of planking carried round the inside of a vessel on the under side of the beams.