Dictionary
railroad worm
noun
Definition of RAILROAD WORM
1
[probably from its dissemination by railroad] : apple maggot
2
[from the rows of luminescent spots along its sides making it resemble a lighted train] : the larva or wingless female of any of several South American beetles (genus Phrixothrix of the family Cantharidae)
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First Known Use of RAILROAD WORM
1909
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