The Collaborative International Dictionary
Lection \Lec"tion\, n. [L. lectio, fr. legere, lectum, to read. See lesson, Legend.]
(Eccl.) A lesson or selection, especially of Scripture, read in divine service.
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A reading; a variation in the text.
We ourselves are offended by the obtrusion of the new lections into the text.
--De Quincey.
Douglas Harper's Etymology Dictionary
1530s, from Old French lection, from Latin lectionem (nominative lectio), noun of action from past participle stem of legere "to read" (see lecture (n.)).\n
Wiktionary
n. 1 (context obsolete English) The act of reading. 2 (context ecclesiastical English) A reading of a religious text; a lesson to be read in church etc.
Wikipedia
A lection, also called the lesson, is a reading from Scripture in Liturgy.
Usage examples of "lection".
I pronounce the Dismissal of this service, my sons and daughters, I beg leave to read to you a lection from the Epistles of Paul.
He must have had at least a faint recollection of the tempestuous Junius Brutus Booth.
That young lady who had offered advice in her selections was also there.
Also, it had been illuminated by our scriptorium limners with pictures illustrating various things mentioned in the lection.