Definition of freethinker. : a person who thinks freely or independently : one who forms opinions on the basis of reason independently of authority; especially : one who rejects or is skeptical of religious dogma.
Even though most German speakers may understand what you mean when you say beamer instead of projector, native English speakers will typically be completely lost. * Evidence for the use of the word beamer for BMW cars and motorbikes can be found in the Oxford English Dictionary, see here. An alternative spelling is beemer. Moreover, as explained here, BMW enthusiasts use beamer/beemer for cars and beamer for motorbikes. (Thanks to Eric for the link.)
a device for compressing a part or structure. beam clamp. a scissors-like instrument originally used to pick up large blocks of ice. Consists of two inward pointing, sharp pointed hooks, pivoting around a pin at their middle, like scissors, and connected to each other at their blunt ends by a short chain.