Quadrilat´eral, a. Four-sided.
Quadriloc´ular, a. Four-chambered, as the heart of higher vertebrates is.
Quar´ry, n. Prey of raptorial birds.
Quill, n. See Penna. (2, 75, 76, 145.)
Qui´nary, a. Noting a certain absurd system of classification which presumes that there are five types, or sets of objects, in every natural group.
Quin´cunx, n. Set of five, arranged thus,
R.
Ra´dial, a. Pertaining to the radius.
Ra´dii, n. pl. Barbs of a main feather.