extension cord

1. 1.

   an electric cord used to extend the length of a power cord

   Broadercord

Questions about extension cord

What does extension cord mean?

extension cord means "an electric cord used to extend the length of a power cord".

Is extension cord a common word?

extension cord is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.