noun-modifying (irregular)
Prenominal adjective (adj-f) used to describe something that can be drawn back or folded away, such as a roof, antenna, or pen tip.
This car features a retractable roof.
Abbreviation of リトラクタブルヘッドライト. Used as a noun, especially in car enthusiast contexts.
See also: リトラクタブルヘッドライト
Many sports cars in the 80s had retractable headlights.