sulcus, a, um, adj., only ficus sulca,
an unknown species of fig-tree , Col. 5, 10, 11.
sulcus ī, m cf. ὁλκός, a furrow : altius impressus: sulcum patefacere aratro, O.: sulcis committer...
An Elementary Latin Dictionary
·noun A furrow; a groove; a fissure. ...
Webster's Dictionary of the English Language