"thrums" in the noun sense

1. thrum

a thrumming sound

"he could hear the thrum of a banjo"

"thrums" in the verb sense

1. hum, thrum

sound with a monotonous hum

2. strum, thrum

sound the strings of (a stringed instrument

"strum a guitar"

3. drum, beat, thrum

make a rhythmic sound

"Rain drummed against the windshield"

"The drums beat all night"

Source: WordNet® (An amazing lexical database of English)

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