1 [mass noun] the measurement or extent of something from side to side; the lesser of two or the least of three dimensions of a body:the yard was about seven feet in width
[count noun] a piece of something at its full extent from side to side:a single width of hardboard
[count noun] the sideways extent of a swimming pool as a measure of the distance swum.
2wide range or extent:the width of experience required for these positions
