noun
also spur gear wheel
: the simplest form of toothed wheel used in machinery with radial teeth parallel to the axis of the wheel
[s]spurgear.jpg[/s]
noun
also spur gear wheel
: the simplest form of toothed wheel used in machinery with radial teeth parallel to the axis of the wheel
[s]spurgear.jpg[/s]
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012