Part of Speech:
n. The part of speech reflects that used in the
full entry, and not necessarily the part of speech as it is used in the quotation below.
Quotation: The banjo crossing signal, also called a wig-wag, was (and still might be in some places) a round target with a hole in the center that swung back and forth when activated. Looked somewhat like a banjo being swung back and forth by its neck.
Date of Publication:
May 10, 1990
This cite belongs to a full entry for wig-wag.