a. Anat. and Zool. [f. L. fossula (see FOSSULA) + -ATE2.] Having one or more long narrow grooves or depressions.
183947. R. B. Todd, The Cyclopædia of Anatomy and Physiology, III. 297/1. In both the Kangaroo and Koala there is a large fossulate papilla near the base of the tongue.