AeroShell Grease 14 is the leading multipurpose helicopter grease used for most helicopter main and tail rotor bearings (where specified). It is made with mineral base oil and a calcium soap thickener, which provides outstanding protection against moisture, corrosion and fretting.
Top Definition. Hellhound. A hellhound is a dog of Hell, found in mythology, folklore and fiction. Hellhounds typically have features such as an unnaturally large size, a black fur color, glowing red eyes, super strength or speed, ghostly or phantom characteristics, and sometimes even the ability to talk.Hellhounds are often associated with fire, and may have fire-based abilities and appearances.ellhounds typically have features such as an unnaturally large size, a black fur color, glowing red eyes, super strength or speed, ghostly or phantom characteristics, and sometimes even the ability to talk. Hellhounds are often associated with fire, and may have fire-based abilities and appearances.
Marrubium vulgare (white horehound or common horehound) is a flowering plant in the family Lamiaceae, native to Europe, northern Africa, and southwestern and central Asia.orehound has been mentioned in conjunction with medicinal use dating at least back to the 1st century BC, where it appeared as a remedy for respiratory ailments in the treatise De Medicina by Roman encyclopaedist Aulus Cornelius Celsus.