ETYM AS. beám beam, post, tree, ray of light; akin to OFries. bâm tree, OS. bôm, Dutch boom, Old High Germ. boum, poum, German baum, Icel. bathmr, Goth. bagms and Greek phyma a growth, phynai to become, to be.
1. A column of light (as from a beacon); SYN. beam of light, light beam, ray, ray of light, shaft, shaft of light.
2. A group of nearly parallel lines of electromagnetic radiation.
3. Breadth amidships.
4. Long thick piece of wood or metal or concrete, etc., used in construction.
A configuration of radiated energy characterized by rays that are sharply directional and parallel.

1. To express with a beaming face or smile.
2. To smile radiantly; express joy through one's facial expression.

To transfer information from one device to another through an infrared wireless connection. The term typically refers to data sharing using handheld devices such as Palm organizers, Pocket PCs, mobile phones, and pagers.