HyperDic: mst

English > 1 sense of the word *MST*:
NOUN	time	MST, Mountain Time, Mountain Standard Time	standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west

English > *MST*: 1 sense > noun 1, time
Meaning	standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States.
Synonyms	Mountain Time, Mountain Standard Time
Broader	civil time, standard time, local time	The official time in a local region (adjusted for location around the Earth)