with, width

With or with means accompanied by--
I would like a hot dog with mustartd.
She went to the movies with her aunt.

With also means by or through the use of--
He painted it with a decorative finish.
She cut the bread with a knife.

With also means in the keeping of, or under the care of--
We left the children with a baby sitter.

With may mean of the same opinion; or as an ally--
Are you with us or against us?

Width or width ( almost rhymes with with ) means the measure of something from side to side; how wide it is--
He wants to know the width of the shoe.
Multiply the length by the width to find the area.

Now that you know that, you can say--
"Check the width of the desk with a tape measure, to make sure it will fit in the truck."

Note--"withe" ( often pronounced to rhyme with with ) means a willow twig, or some other flexible twig--
She needs a willow withe to braid into a handle for her basket.