definition of
thrum

[1] #1 thrum n. a thrumming sound; "he could hear the thrum of a banjo". wn

[2] #2 thrum v. [hum] sound with a monotonous hum. wn

[3] #3 thrum v. [strum] sound the strings of (a string instrument); "strum a guitar". wn

[4] #4 thrum v. [drum, beat] make a rhythmic sound; "Rain drummed against the windshield"; "The drums beat all night". wn