I. ˈthərm, ˈthə̄m, ˈthəim noun
( -s )
1.
[Middle French thermes (plural), from Latin thermae hot springs, public baths, from Greek thermai, from plural of thermē heat, from thermos hot — more at warm ]
archaic : a public bathing establishment
2.
[Greek thermos hot, or thermē heat]
: any of several units of quantity of heat: as
a. : calorie b(1)
b. : calorie a
c. : 1000 kilogram calories
d. : 100,000 British thermal units
II. abbreviation
thermometer