chordal

[kawr-dl]

adjective

of, relating to, or resembling a chord.
of or relating to music that is marked principally by vertical harmonic movement rather than by linear polyphony.

Origin of chordal

First recorded in 1610–20; chord² + -al¹

Related formspre·chord·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

In Elasmobranchii the chordal sheath is weak and the skeletogenous layer strong.
The Vertebrate Skeleton
Sidney H. Reynolds
In Amphioxus the notochord is immediately surrounded by a structureless cuticular layer, the chordal sheath.
The Vertebrate Skeleton
Sidney H. Reynolds
The notochord remains permanently unconstricted and is enclosed in a chordal sheath, external to which is the skeletogenous layer.
The Vertebrate Skeleton
Sidney H. Reynolds
Of the divine spheral music, the one is the chordal harmony, the other the consecutive harmony or melody.
Evolution
Joseph Le Conte

chordal in Medicine

(kôr′dl)

adj.