1. A unit of length equal to one twelfth of a foot
   "The carpenter measured the board to the nearest inch";
   - in
    
2. A unit of measurement for advertising space
   "The full-page advertisement occupied 80 column inches";
   - column inch

1. Advance slowly, as if by inches
   "He inched towards the car";
   - edge

Derived forms: inched, inches, inching

Type of: advance, area unit, go on, linear measure, linear unit, march on, move on, pass on, progress, square measure

Part of: foot, ft

Encyclopedia: Inch, Edinburgh