Plural noun

Inches is a plural noun for a word "INCH."

Inch: 1. A unit of linear measure equal to one-twelfth of a foot (2.54 cm).

2. A unit used to express other quantities, in particular:

- (as a unit of rainfall) a quantity that would cover a horizontal surface to a depth of one inch, equivalent to 253.7 cubic meters per hectare.
- (as a unit of atmospheric pressure) an amount that would support a column of mercury one-inch high in a barometer (equal to 33.86 millibars, 29.5 inches being equal to one bar).
- (as a unit of map scale) so many inches representing one mile on the ground.

Reetika has a toy train that is 5 inches long.