The Collaborative International Dictionary
utis
Utas \U"tas\, n. [OF. huitieves, witieves, witaves, oitieves, pl. of huitieve, witieve, etc., eighth, L. octavus. See Octave, n.] [Written also utis.]
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(O. Eng. Law) 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. Hence, festivity; merriment. [Obs.]
--Shak.