Counterpoint

Webster's Dictionary

(1): (n.) The art of polyphony, or composite melody, i. e., melody not single, but moving attended by one or more related melodies.

(2): (n.) An opposite point

(3): (n.) The setting of note against note in harmony; the adding of one or more parts to a given canto fermo or melody

(4): (n.) Music in parts; part writing; harmony; polyphonic music. See Polyphony.

(5): (n.) A coverlet; a cover for a bed, often stitched or broken into squares; a counterpane. See 1st Counterpane.