nocturn
nounAny of the three canonical divisions of the office of matins.
nounAn organism whose color is different at night from what it is in the daytime. Also
Of the night; nightly.
nounIn the early Christian ch., one of several services recited at midnight or between midnight and dawn, and consisting chiefly of psalms and prayers.
nounThe part of the psalter used at nocturns, or the division used at each nocturn.
nounSame as
To be different in color at night from what it is in the daytime; be a nocturn. Also
An office of devotion, or act of religious service, by night.
nounOne of the portions into which the Psalter was divided, each consisting of nine psalms, designed to be used at a night service.
nounThe night office of the Christian Liturgy of the Hours, such as is performed in christian monasteries.
