A unit of length in the U.S. Customary and British Imperial systems, equal to 1/12 of a foot (2.54 centimeters). See Table at measurement.
A fall, as of rain or snow, sufficient to cover a surface to the depth of one inch.
A unit of atmospheric pressure that is equal to the pressure exerted by a one-inch column of mercury at the earth's surface at a temperature of 0°C.
A very small degree or amount: won't budge an inch.
intr. & tr.v.
inched, inch·ing, inch·es To move or cause to move slowly or by small degrees: inching along through stalled traffic; inched the chair forward.
[Middle English, from Old English ynce, from Latin ūncia, one twelfth of a unit; see oi-no- in Indo-European roots.]
(ĭnch) 