[ther.mo.stat] n (1831): an automatic device for regulating temperature (as by controlling the supply of gas or electricity to a heating apparatus); also: a similar device for actuating fire alarms or for controlling automatic sprinklers -- ther.mo.stat.ic adj -- ther.mo.stat.i.cal.ly adv
[2]thermostat vt -stat.ed also -stat.ted ; -stat.ing also -stat.ting (1924): to provide with or control the temperature of by a thermostat