thrum1 Syllabification: (thrum)Pronunciation: /THrəm/Definition of thrum verb (thrums, thrumming, thrummed) [no object] make a continuous rhythmic humming sound:the boat’s huge engines thrummed in his ears [with object] strum (the strings of a musical instrument) in a rhythmic way. noun [usually in singular] a continuous rhythmic humming sound:the steady thrum of rain on the windowsOrigin: late 16th century (as a verb): imitativethrum in other Oxford dictionaries Definition of thrum in the British & World English dictionary
