D defs.my
Entry 2 senses Webster, 1913

Utas

· U·tas · IPA
01 n. The eighth day after any term or feast; the octave; as, the utas of St. Michael.
  1. 1.
    The eighth day after any term or feast; the octave; as, the utas of St. Michael.(O. Eng. Law)
    “The marriage was celebrated and Canterbury, and in the utas of St. Hilary next ensuing she was crowned.” — Holinshed.
  2. 2.
    Hence, festivity; merriment.[Obs.]