cold frame

1. 1.

   protective covering consisting of a wooden frame with a glass top in which small plants are protected from the cold

   Broaderprotective covering

Questions about cold frame

What does cold frame mean?

cold frame means "protective covering consisting of a wooden frame with a glass top in which small plants are protected from the cold".

Is cold frame a common word?

cold frame is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.