retrorocket retrorenal • retrorse · · · Info · Definitions · Characters · · retrorocket · · Text Latin · · Script 11 · · Length 4 · · Syllables Definitions · · · (noun) a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 k latin small letter k U+006B o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074