Also spelled as "knockout" and "knock-out".
1. Dramatic end to a boxing match where one player renders the other unconscious.
2. Electrical. A predetermined weakening, usually circular, so that a fitting can be attached in an enclosure or junction box without the need to drill a hole.
1. Dramatic end to a boxing match where one player renders the other unconscious.
2. Electrical. A predetermined weakening, usually circular, so that a fitting can be attached in an enclosure or junction box without the need to drill a hole.