Through; by means of; through the agency of; by; for; for each; as, per annum; per capita, by heads, or according to individuals; per curiam, by the court; per se, by itself, of itself. Per is also sometimes used with English words.
- To, for, or by each; for every: Gasoline once cost 40 cents per gallon.
- According to; by: Changes were made to the manuscript per the author's instructions.
- By means of; through.
- Informal For each one; apiece: sold the cookies for one dollar per.
- Informal Per hour: was driving at 60 miles per.