ˈtābəl, -rab- adjective
Etymology: Latin trabalis, from trabs, trabes beam + -alis -al — more at thorp
1. : of or relating to a beam : large or diverging like a beam
2.
[New Latin trabalis, from trabs ( cerebri ) corpus callosum, literally, cerebral beam + Latin -alis -al]
: of or relating to the corpus callosum : callosal