hebdomad Meaning, Definition & Usage

  1. noun any period of seven consecutive days
    week.
    • it rained for a week

WordNet

Heb"do*mad noun
Etymology
L. hebdomas, -adis, Gr. "ebdoma`s the number seven days, fr. seventh, seven. See Seven.
Definitions
  1. A week; a period of seven days. R. Sir T. Browne.

Webster 1913