n. four; set of four; a. in four parts; in sets of four; Geology, applied to period following Tertiary. quaternion, n. set of four; Mathematics, quotient of two vectors, or factor changing (by multiplication) one vector into another. quaternity, n. state of being fourfold.
The maple leaf is a traditional Canadian emblem. Red recalls Canadian lives lost during World War I. White stands for snow. Effective date: 15 February 1965.