Definify.com
Webster 1913 Edition
Sizing
Siz′ing
,Noun.
 1. 
Act of covering or treating with size. 
2. 
A weak glue used in various trades; size. 
 Siz′ing
,Noun.
 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. 
Definition 2025
sizing
sizing
English
Noun
sizing (plural sizings)
- A gelatinous glue for glazing or sizing canvas, paper, plaster or wood; often made from animal skins.
- paste
- (Britain, Cambridge University, dated) food and drink ordered from the buttery by a student
- A weak glue used in various trades; size.
Verb
sizing
- present participle of size