quillaia: or Quillaia /ki-līˈə or -lēˈə/ noun1. ...quill-pen: noun A quill used as a pen ...quillaic acid: [Medicine] n : a poisonous crystalline ...quill-nib: noun A quill-pen shortened ...quillaja: or Quillaia /ki-līˈə or -lēˈə/ noun1. ...quill-feather: noun A large stiff wing or ...quillaja saponaria: [Medicine]A plant genus of the family ...quill-driving: nounquillaja saponin: [Medicine]A plant genus of the family ...quill-driver: noun (derogatory)1. A clerk (now mili ...