Com`ple*men"ta"ry (?), a.
Serving to fill out or to complete; as, complementary numbers.
Complementary colors. See under Color. -- Complementary angles Math., two angles whose sum is 90°.
© Webster 1913.
Com`ple*men"ta*ry, n. [See Complimentary.]
One skilled in compliments.
[Obs.]
B. Jonson.
© Webster 1913.