fittingsize
nounUK /ˈfɪtɪŋ saɪz/
US /ˈfɪtɪŋ saɪz/
The size of a thing that shows how well it fits.
Check the fittingsize before you buy the new shoes.
OTHER MEANINGS
2. The size a piece of clothing or equipment is made to be.
The fittingsize on the label says medium.
3. The size of a part that joins two things together.
The plumber checked the fittingsize of the pipe.
4. How big something needs to be to work well.
We measured the fittingsize of the new window frame.