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Phrase(s): coil something up
to roll or twist something into a coil. • Maria coiled the strip of stamps up and put them in the little dispenser. • Please coil up the rope., Phrase(s): coil (itself) up
[for something] to wrap or roll itself into a coil. • The snake coiled itself up, trying to hide. • It coiled up, ready to strike.
McGrawhill's American Idioms And Phrasal Verbs