n. The last of the seven canonical hours, originally said after the evening meal and before retiring to sleep, but in later medieval and modern usage following immediately upon vespers.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. last of the seven canonical hours just before retiring
Word Usage
"Te lucis ante terminum, the first verse of the hymn in the last part of the sacred office, termed complin."