Main Entry: trem·or

Pronunciation: \ˈtre-mər\

Function: noun

Etymology: Middle English tremour, from Anglo-French tremor, from Latin, from tremere

Date: 14th century

1 a : a trembling or shaking usually from physical weakness, emotional stress, or disease b : nervous excitement <the exhibit caused a tremor in the artistic community>
2 : a quivering or vibratory motion; especially : a discrete small movement following or preceding a major seismic event
3 a : a feeling of uncertainty or insecurity <a tremor of hesitation> b : a cause of such a feeling