\Siz"ing\, n.
1. Act of covering or treating with size.
2. A weak glue used in various trades; size.

\Siz"ing\, n.
1. The act of sorting with respect to size.
2. The act of bringing anything to a certain size.
3. (Univ. of Cambridge, Eng.) Food and drink ordered from the
   buttery by a student.