Meanings
nounretention line (plural retention lines)
plural retention lines
- lifestyleA future-dated line of text put in to an airline reservation system or GDS to delay the booking being moved to archives.
Cite this entry
APA
retention line. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/retention%20line
MLA
“retention line.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/retention%20line. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “retention line,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/retention%20line.
Source: retention line on Wiktionary, CC BY-SA 4.0.