Webster's 1913 Dictionary
UTAS
U "tas, n. Etym: [OF. huitieves, witieves, witaves, oitieves, pl. of huitieve, witieve, etc. , eighth, L. octavus. See Octave, n.] [Written also utis. ]
1. (O. Eng. Law )
Defn: The eighth day after any term or feast; the octave; as, the utas of St. Michael. Cowell. The marriage was celebrated and Canterbury, and in the utas of St. Hilary next ensuing she was crowned. Holinshed.
2. Hence, festivity; merriment. [Obs. ] Shak.
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