wand 
(wŏnd)
(wŏnd)n.
1. A thin supple rod, twig, or stick.
2. A slender rod carried as a symbol of office in a procession; a scepter.
3. Music A conductor's baton.
4.
a. A stick or baton used by a magician, conjurer, or diviner.
b. A stick or baton associated with the supernatural as a source of power.
5. A pipelike attachment that lengthens the handle of a device or tool: a vacuum cleaner that has two extension wands.
6. A handheld electronic device, often shaped like a rod, that is used for security purposes to detect metal.
7. Sports A narrow slat used as an archery target.
tr.v. wand·ed, wand·ing, wands
To scan (a person, for example) with an electronic wand.
[Middle English, from Old Norse vöndr.]