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Meaning of all-day

all-day

Pronunciation: (ôl'dā"), [key]
— adj.
  1. taking up, extending through, lasting for, or occurring continually during a day, esp. the hours of daylight; daylong:Cf. an all-day tour of the city; an all-day lollipop.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.