(The). In fortification, the line of rampart which joins together the flanks of two “bastions” (q.v.).
To ring down the curtain. To bring a matter to an end. A theatrical term. When the act or play is over, the bell rings and the green curtain comes down.
“A few more matters of routine will be accomplished, and then the curtain will be rung down on the Session of 1891.” —Newspaper Paragraph, July 27th, 1891.