Wiktionary
n. Alternative form of '''dustcover'''.
WordNet
n. a paper jacket for a book; a jacket on which promotional information is printed [syn: book jacket, dust jacket, dust wrapper]
a large piece of cloth used to cover furniture that is not in use for a long period [syn: dust sheet]
a removable plastic protective covering for a piece of equipment
Wikipedia
The dust cover seals the ejection port (which allows spent brass to exit the upper receiver after firing) from allowing contaminants such as sand, dirt, or other debris from entering the mechanism.
- Pistols - The dust cover is used to refer to the forward part of the frame. This is where a Picatinny Rail accessory system could be found, if present.
- Some people choose not to use the term Dust Cover in reference to pistols. Note that the User Manual for a Ruger P345 uses the term 'frame' for reference.
- Rifles - The dust cover, for example, of an M16 series rifle. This is also called an Ejection Port Cover.
Usage examples of "dust cover".
An unusual expanse of smooth, firm bedrock, with only the thinnest dust cover.
She took the dust cover off the joint where the frame connected to the module chassis, and found that the bolts holding them together were all broken.
They're lying in your living room under a dust cover from your sofa.
Cars and trucks and vans sat abandoned, blown over or apart, or wrapped in flames that sent spikes of twisting black smoke up through the dust cover.
And the only way he'd sign the release, he added, was in exchange for a firm guarantee from the lawyers that both his name and a suitable photograph of himself be prominently displayed on the book's dust cover.
Closing and sealing the dust cover of the unit he wiped his hands on a cloth and reached for a bottle.
Atreus grabbed the dust cover and fed it over the rearmost canopy brace, draping it down to prevent Naraka's riders from hurling their lances into the wagon.