[ key-sing ]
See synonyms for casing on
  1. a case or covering; housing.

  2. material for a case or covering.

  1. the framework around a door or window.

  2. the outermost covering of an automobile tire.

  3. any frame or framework.

  4. a steel pipe or tubing, especially as used in oil and gas wells.

  5. a layer of glass that has been fused to an underlying layer of glass of a different color or of different properties.

  6. the thin, tubular membrane of the intestines of sheep, cattle, or hogs, or a synthetic facsimile, for encasing processed meat in making sausages, salamis, etc.

  7. Nautical. the walls surrounding a funnel.

  8. a channel created in a garment or other article to carry a drawstring or elastic, as by sewing a strip of cloth to the basic material with two parallel rows of stitches.

Origin of casing

First recorded in 1565–75; case2 + -ing1

Other words from casing

  • un·der·cas·ing, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use casing in a sentence

British Dictionary definitions for casing


/ (ˈkeɪsɪŋ) /

  1. a protective case or cover

  2. material for a case or cover

  1. Also called: case a frame containing a door, window, or staircase

  2. the intestines of cattle, pigs, etc, or a synthetic substitute, used as a container for sausage meat

  3. the outer cover of a pneumatic tyre

  4. a pipe or tube used to line a hole or shaft

  5. the outer shell of a steam or gas turbine

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012