beamer

A gymnast proficient with or specializing in the balance beam.

A ball, presumed to have been bowled accidentally, that does not bounce, but reaches the batsman above the waist.

A projector.

The plan can be projected on to a white board, […] or by using a beamer (data projector).

A device that projects or transmits matter, information, or energy.

For several days he went about his charge with disgust, trying everything he could to avoid the stench of rotting vegetation and of human feces, which was overpowering even as it all burned under the plasma from his beamer.

A big smile.

Get your pre-smile working, move toward him, shake hands, glue eyes […] and then launch your beamer, a big, toothy (uppers and lowers showing) grin.

Alternative letter-case form of Beamer (“BMW”).