/keuh lay"sheuhn, koh-, ko-/ , n.
1. the act of collating.
2. Bibliog. the verification of the number and order of the leaves and signatures of a volume.
3. a light meal that may be permitted on days of general fast.
4. any light meal.
5. (in a monastery) the practice of reading and conversing on the lives of the saints or the Scriptures at the close of the day.
6. the presentation of a member of the clergy to a benefice, esp. by a bishop who is the patron or has acquired the patron's rights.
[ 1175-1225; ME collacion ( collacion-, collation- (s. of collatio ), equiv. to L collat ( us ) (see COLLATE) + -ion- -ION ]