Bible Dictionaries
Tenebrae

Webster's Dictionary

(n.) The matins and lauds for the last three days of Holy Week, commemorating the sufferings and death of Christ, - usually sung on the afternoon or evening of Wednesday, Thursday, and Friday, instead of on the following days.

Bibliography Information
Webster, Noah. Entry for 'Tenebrae'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/tenebrae.html. 1828.