T / tŭbŭlātĭo
noun

tŭbŭlātĭo

gen. tŭbŭlātōnis · gender feminine · decl. 3rd
a hollowing into a tube; tubulation
a hollowing into a tube, tubulation: ligulae, App. Flor. p. 346, 28; Arn. 3, 108 (al. incumulatio).