size1
  
  n.
  - a thing's overall dimensions or magnitude.
 - each of the classes into which garments or other articles are divided according to how large they are.
 
v.
   - alter or sort in terms of size or according to size.
 - 
(size something up)
 estimate or measure something's dimensions.
 - 
(size someone/thing up)
 informal form an estimate or rough judgement of someone or something.
 
 
  Phrase
  
    - of a size
 (of two or more people or things) having the same dimensions.  - that's the size of it
 informal that is the truth about a situation, however unpalatable.  - to size
 to the dimensions wanted. 
   
  Derivative
  
    - -sized 
(also -size)
 adj.
  - sizer n.
 
   
  Etymology
  ME (also in the sense ‘assize, ordinance fixing a rate of payment’): from OFr. sise, from assise ‘ordinance’, or a shortening of assize.
 
  
    
size2
  
  n.
 a gelatinous solution used in glazing paper, stiffening textiles, and preparing plastered walls for decoration.
v.
 treat with size.
 
  Etymology
  ME: perh. the same word as size1.