To cause a steady rhythmic vibration, usually by plucking.
She watched as he thrummed the guitar strings absently.
To make a monotonous drumming noise.
to thrum on a table
To furnish with thrums; to insert tufts in; to fringe.
To insert short pieces of rope-yarn or spun yarn in.
to thrum a piece of canvas, or a mat, thus making a rough or tufted surface
Made with thrums (leftover warp thread) woven into the fabric.
thrummed mittens