quilled adjective 1.: that has the shape of a quill: as a. (1): rolled into the form of a quill < quilled cinchona bark > (2): fluted into rounded folds < quilled cloth > b.: having nearly tubular corollas or florets < the quilled flowers of the cactus dahlia > 2.: that is furnished with a quill < the quilled jack of a harpsichord >