SG Heritage Dictionary

Hebdomadal [\N] Webster's Dictionary 1828

1. HEBDOM'ADAL

2. HEBDOM'ADARY, adjective Weekly; consisting of seven days, or occurring every seven days.

Hebdomadal [Noun] Webster's Dictionary 1828

A member of a chapter or convent, whose week it is to officiate in the choir, rehearse the anthems and prayers, and perform other services, which on extraordinary occasions are performed by the superiors.

Hebdomadal [Adjective] Webster's Dictionary 1913

Alt. of Hebdomadary

Hebdomadally [Adverb] Webster's Dictionary 1913

In periods of seven days; weekly.