The Collaborative International Dictionary of English v.0.48:
Quilled \Quilled\, a. Furnished with quills; also, shaped like quills. "A sharp-quilled porcupine." --Shak. [1913 Webster] Quilled suture (Surg.), a variety of stitch in which the threads after being passed deeply through the edges of a wound are secured about two quills or bodies of similar shape, in order to produce a suitable degree of pressure. [1913 Webster]