interliner

noun — 2 senses

noun

Etymology From inter- + liner.

A protective layer between an external cover and a filling, especially as a fire barrier.

noun

Etymology From interline + -er.

A passenger whose journey involves changing from one airline to another.

Whilst one quarter of Heathrow's traffic in 2001 was composed of interliners, at Manchester less than two and a half per cent of passengers were changing planes the airport^([sic]). Yet both airports serve around 170 destinations worldwide […]2003, Simon Bishop, Tony Grayling, The Sky's the Limit: Policies for Sustainable Aviation, page 35:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.