four times a day

Word History

Etymology

Latin quater in die

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Cite this Entry

“Qid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/qid. Accessed 4 Feb. 2026.

Medical Definition

qid

abbreviation
four times a day
used in writing prescriptions
Etymology

Latin quater in die

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