Bible Dictionaries
Feast, Semi-Double

1910 New Catholic Dictionary

A feast of less importance than a "double" feast. It is so called because the antiphon before each psalm in the Sacred Office is not read in full, and thus is only "half-doubled" for that psalm.

Bibliography Information
Entry for 'Feast, Semi-Double'. 1910 New Catholic Dictionary. https://www.studylight.org/​dictionaries/​eng/​ncd/​f/feast-semi-double.html. 1910.