tringletten.
/traŋˈɡlɛt/ A pointed stick used to open the cames or grooved leaden bars which hold the panes in fretwork or diamond-paned windows (E. H. Knight Pract. Dict. Mech. 1877). (In French also, the piece of glass in such a pane, Littré.)
This entry has not yet been fully updated (first published 1914; most recently modified version published online September 2018).
<
n.1877