quadri-, quadra-, quad-, quadru-
(Latin: four, fourth; a word element for number 4)
quadrifarious (adjective) (not comparable)
Conveying four rows or ranks: There are plants that have quadrifarious leaves.
quadrifurcation (kwad" dri fuhr KAY shun") (s) (noun), quadrifurcations (pl)
A system that has four details, compartments, or pieces: The professors and deans at the local university were intrigued by the quadrifurcation of the student government which emerged after the students met with the visiting politician, because they wanted a carefully balanced form of government with each of the four branches providing oversight of each other.
Someone who has married four times and as a result, has four spouses; such as, four wives or four husbands at the same time.
Married to four spouses at the same time or a fourth marriage.
Using, written in, etc., four languages.
quadriphonic, quadriphonics, quadrophonic
All of these are variations in form of quadraphonic, et al.