the practice of exchanging things with others for mutual benefit, especially privileges granted by one country or organization to another..... Here is a sentence.... the Community intends to start discussions on reciprocity with third countries
The unit rate would be 1.75 meters per minute
I really think it was Wundt. Not 100% sure though
I think it means meal! For example, with the word "postprandial", it means after eating a meal. Hope I helped! :)