SERVOMECHANISMS
Scrabble letter values: S1E1R1V4O1M3E1C3H4A1N1I1S1M3S1 = 27
Definition
SERVOMECHANISMS is the plural of SERVOMECHANISM.
noun SERVOMECHANISM: control system that converts a small mechanical motion into one requiring much greater power.
Synonyms of SERVOMECHANISM: servo, servosystem