have down

1. 1.

   have (something) mastered

   “She has the names of the fifty states down pat”

   Broaderknow

Questions about have down

What does have down mean?

have down means "have (something) mastered".

Is have down a common word?

have down 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.