quadri-

1.
a combining form meaning “four,” used in the formation of compound words:
quadrilateral.
Also, quadra-, quadru-; especially before a vowel, quadr-.
Origin
< Latin; akin to quattuor four
British Dictionary definitions for quadri-

quadri-

combining form
1.
four: quadrilateral, quadrilingual, quadrisyllabic
Word Origin
from Latin; compare quattuor four
Word Origin and History for quadri-

before vowels quad- (before -p- often quadru-, from an older form in Latin), word-forming element meaning "four, four times, having four, consisting of four," from Latin quadri-, related to quattor "four" (see four).

quadri- in Medicine

quadri- or quadr-
pref.

  1. Four: quadriplegia.

  2. Square: quadrate.