secant secancy • secantly · · · Info · Definitions · Synonyms · Characters · · secant · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a straight line that intersects a curve at two or more points. · · Noun Definition 1 (noun) ratio of the hypotenuse to the adjacent side of a right-angled triangle. Synonyms: sec. · · Noun Definition 2 Synonyms · · · sec · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074