closed

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closed

1. (of a hunting season, etc.) close
2. Maths
a. (of a curve or surface) completely enclosing an area or volume
b. (of a set) having members that can be produced by a specific operation on other members of the same set

closed

With regard to a switch, closed is "on." Open is "off." See close.
References in classic literature ?
The door was quickly opened and closed, and there stood before him face to face, quiet, intent upon him, with the light of a smile on his features, and a cautionary finger on his lip, Sydney Carton.
She had a knitted shawl over her head; her blue Highland eyes took the light from the neighbouring street-lamp and sparkled; and when the door opened and closed upon her, John felt cruelly alone.
The crowd opened and closed again, undulating like a stormy sea, and the king imagined that he saw shining in the midst of this living wave the bright eyes of Athos.