actuator actuation • acture · · · Info · Definitions · Characters · · actuator · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a mechanism that puts something into automatic action. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075