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frock
frock coat
frock flick
froe
Frog
frog (1)
frog (2)
frog (3)
frog (4)
frog kick
frog spit
frog strangle
frogeye
frogfish
frogging
froghopper
frogman
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frog (4)
frog [ frawg, frog ] (plural frogs)


noun 
Definition:
 
device at rail intersection: a steel plate used to guide the wheels of a train over a place where two rails cross
[Mid-19th century. Origin ?]
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