Definition of thrums:
(v) :
To cause a steady rhythmic vibration, usually by plucking.
(n) :
A thrumming sound; a hum or vibration.
(v) :
To make a monotonous drumming noise.
(n) :
(figurative) A spicy taste; a tang.
(n) :
The ends of the warp threads in a loom which remain unwoven attached to the loom when the web is cut.
(n) :
Any short piece of leftover thread or yarn; a tuft or tassel.