retrofire

[ re-troh-fahyuhr ]

verb (used with object)

, ret·ro·fired, ret·ro·fir·ing.

1. to ignite (a retrorocket).

verb (used without object)

, ret·ro·fired, ret·ro·fir·ing.

1. (of a retrorocket) to become ignited.

retrofire

/ ˈrɛtrəʊˌfaɪə /

noun

1. the act of firing a retrorocket
2. the moment at which it is fired

Word History and Origins

Origin of retrofire¹

An Americanism dating back to 1960–65; retro- + fire