positioner

[puh-zish-uh-ner]

po·si·tion·er

[puh-zish-uh-ner]
noun
1.
a person or thing that positions.
2.
Orthodontics. a removable device of resilient plastic material worn in the mouth usually during sleep to produce minor adjustments in the position of teeth after straightening appliances have been taken off.

Origin:
1930–35; position + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Positioner is always a great word to know.
So is zedonk. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
the offspring of a zebra and a donkey.
WordNet
positioner

noun
(computer science) the actuator that moves a read/write head to the proper data track [syn: rotary actuator
WordNet® 3.0, © 2006 by Princeton University.
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