Parachordal \Par`a*chor"dal\ (p[a^]r`[.a]*k[^o]r"dal), a. [Pref. para- + chordal.] (Anat.) Situated on either side of the notochord; -- applied especially to the cartilaginous rudiments of the skull on each side of the anterior part of the notochord. -- n. A parachordal cartilage. [1913 Webster]