1. Again: rheme (by which Peirce meant a relation of arbitrary Adicity or arity) was a first, proposition was a

2. In some languages functions may have variable arity which sometimes means their last or only argument Explanation of Adicity

3. Informal a charity worker who approaches people in the street to ask for financial support for the charity, esp regular support by direct debit Word Origin for Chugger C21: ch (arity) + (m) ugger