pi

I. noun (plural pis) Etymology: Middle Greek, from Greek pei, of Semitic origin; akin to Hebrew pē pe Date: 1638 1. the 16th letter of the Greek alphabet — see alphabet table 2. a. the symbol π denoting the ratio of the circumference of a circle to its diameter b. the ratio itself ; a transcendental number having a value rounded to eight decimal places of 3.14159265 II. noun also pie (plural pies) Etymology: origin unknown Date: circa 1659 1. type that is spilled or mixed 2. a pi character or matrix III. verb also pie (pied; piing or pieing) Date: 1889 transitive verb to spill or throw (type or type matter) into disorder intransitive verb to become pied IV. adjective also pie Date: circa 1940 1. not intended to appear in final printing <

pi lines

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pi characters

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