Garment

• neck

  An opening in a garment for the neck of the wearer; a part of the garment near the wearer's...

• fly

  An opening in a garment that is closed by a zipper or by buttons concealed under a fold of ...

Also contains

• hole

  An opening deliberately made in or through something.

• slit

  A long narrow opening.

• crack

  A narrow opening; "he opened the window a crack".

• aperture

  An man-made opening; usually small.

• spout

  An opening that allows the passage of liquids or grain.

• intake

  An opening through which fluid is admitted to a tube or container.

• muzzle

  The open circular discharging end of a gun.

• breech

  Opening in the rear of the barrel of a gun where bullets can be loaded.

• grille

  Small opening (like a window in a door) through which business can be transacted.

• window

  A transparent opening in a vehicle that allow vision out of the sides or back; usually is...

• window

  An opening in a wall or screen that admits light and air and through which customers can...

• exit

  An opening that permits escape or release; "he blocked the way out"; "the canyon had only one...

• bell

  The flared opening of a tubular device.

• mouth

  The opening of a jar or bottle; "the jar had a wide mouth".

• pass-through

  An opening that resembles a window between two rooms (especially a shelved opening...

• port

  An opening (in a wall or ship or armored vehicle) for firing through.

• lunette

  Oval or circular opening; to allow light into a dome or vault.

• interstice

  Small opening between things.

• throat

  An opening in the vamp of a shoe at the instep.