a. [ad. L. trabāl-is, f. trab-s, trab-em beam: see -AL.] † a. Pertaining to or of the nature of a beam; trabeal. Obs. rare–0. b. Anat. Pertaining to the trabs cerebri or corpus callosum of the brain.
1656. Blount, Glossogr., Trabal, of, or belonging to a beame; great or big like a beame.
1889. Buck’s Handbk. Med. Sc., VIII. 517. Trabal … would merely recall the obsolete name for the callosum, trabs cerebri.
1899. Syd. Soc. Lex. Trabal, pertaining to the Trabs; callosal.
