west·er 
(wĕstər)
(wĕstər)n.
A strong wind coming from the west.
intr.v. west·ered, west·er·ing, west·ers
To move westward. Used of the sun, the moon, or a star.
[Middle English westren, from west, west; see WEST.]
- thermic
- thermion
- thermionic
- thermionic current
- thermionics
- thermionic tube
- thermistor
- thermite
- thermo-
- thermoacoustic
- thermocautery
- thermochemical
- thermochemist
- thermochemistry
- thermocline
- thermocoagulation
- thermocouple
- thermoduric
- thermodynamic
- thermodynamically
- thermodynamics
- thermoelectric
- thermoelectrical
- crosstie
- cross-tolerance