Apron

1. Aised panel below a window or wall monument or tablet. 2. Open portion of a marine terminal immediately adjacent to a vessel berth, used in the direct transfer of cargo ...

apron

Earth science; Physical oceanography

The official IHO definition for this undersea feature name is “a gently dipping surface, underlain primarily by sediment, at the base of any steeper slope.”

apron

Military; General military

A defined area on an airfield intended to accommodate aircraft for purposes of loading or unloading passengers or cargo, refueling, parking, or maintenance.

drilling

Industrial machinery; Lathe

Used to remove material from the inside of a workpiece. This process utilizes standard drill bitsheld stationary in the tail stock or tool turret of the lathe.

alignment key

Industrial machinery; Lathe

A precision ground key that fits in slots in the top of the bed and bottom of the headstock to keep the headstock aligned straight with the tailstock. Removing this key and ...

bed

Industrial machinery; Lathe

The dovetailed steel bar on which the saddle and tailstock are moved back and forth. This is the main supporting casting running the length of the lathe.

drawbolt

Industrial machinery; Lathe

Goes through the hole in the spindle to draw chucks and other accessories into the headstock taper inside the spindle. A special washer locates it on center in the spindle hole.

dog

Industrial machinery; Lathe

Also known as a Lathe Dog or Dogleg. An "L"-shaped adapator, usually made of cast iron, with a hole for the workpiece and locking screw to secure the workpiece. Used to clamp a ...