walk-through

walk-through

[wawk-throo]
noun
1.
Theater, Television.
a.
a rehearsal in which physical action is combined with reading the lines of a play.
b.
a perfunctory performance of a script.
2.
Television, Movies. a rehearsal without cameras.
3.
a step-by-step demonstration of a procedure or process or a step-by-step explanation of it as a novice attempts it.
4.
a pedestrian passageway or arcade through the ground floor of a building connecting one street or building with another.
adjective
5.
designed to be walked through by an observer: The zoo has a walk-through aviary where the birds are all around you.
6.
activated by a person passing through: a walk-through electronic scanner at the airport for detecting concealed weapons.

Origin:
1935–40; noun, adj. use of verb phrase walk through

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
walk-through

noun
1. a thorough explanation (usually accompanied by a demonstration) of each step in a procedure or process; "she gave me a walk-through of my new duties" 
2. a pedestrian passageway through the ground floor of a building 
3. a first perfunctory rehearsal of a theatrical production in which actors read their lines from the script and move as directed 
4. the act of walking in order to view something; "the realtor took her on a walk-through of the apartment" 
WordNet® 3.0, © 2006 by Princeton University.
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